Biological Photo Service / Terraphotographics
http://www.agpix.com/biologicalphoto
Complete stocklist
  • Acadia NP (ME)
  • aerials (nature)
  • Africa (variety of coverage)
  • Africa (architecture, buildings, structures)
  • Africa (economy related (agriculture, construction, commerce, etc.))
  • Africa (geography)
  • Africa (national parks, other public lands, wildernesses)
  • Africa (nature, environment)
  • Africa (rural areas)
  • Africa (wildlife)
  • Alaska (geography)
  • Alaska (national parks, other public lands, wildernesses)
  • Alaska (nature, environment)
  • Alaska Pipeline
  • albatrosses
  • algae (except seaweeds)
  • alluvial fans
  • Alps (Swiss)
  • alternative energy sources
  • amoebas
  • amphibians
  • anatomy, physiology (animal)
  • anatomy, physiology (people)
  • anatomy, physiology (plant)
  • Ancestral Pueblo (AZ, CO, NM, UT)
  • Andes Mtns. (Peru)
  • Andes Mtns. (variety of coverage)
  • animal behavior, variety of coverage
  • animal (wild), defense (variety of coverage)
  • animal young (variety of coverage)
  • Antarctic (variety of coverage)
  • Anza-Borrego Desert SP (CA)
  • Appalachian Mtns.
  • aquatic plants
  • arachnids
  • Arches NP (UT)
  • arthropods (variety of coverage)
  • Asia (geography)
  • Asia (history, antiquity, archeology)
  • Australia (geography)
  • Australia (nature, environment)
  • Australia (wildlife)
  • Austria
  • autumn (vegetation (not fall color related))
  • baboons
  • backgrounds for advertising (nature)
  • backyard nature (variety of coverage)
  • bacteriology, bacteria
  • badlands
  • Badlands NP (SD)
  • Baja California Peninsula (many aspects)
  • Baja California Peninsula (natural history)
  • balloons (hot-air)
  • Bandelier NM (NM)
  • Banff NP (AB)
  • Bangladesh
  • baobabs
  • barnacles
  • beaches (nature)
  • bees
  • beetles
  • bighorn sheep
  • biological pest control
  • biology
  • birds (variety of coverage)
  • birds of prey
  • Black Hills NF (SD, WY)
  • blood (science)
  • bluebirds (variety of coverage)
  • Bolivia
  • boobies (behavior)
  • botany
  • Botswana
  • bristlecone pines
  • British Columbia (variety of coverage)
  • Bryce Canyon NP (UT)
  • buffalo, wild (not North American bison)
  • bugs
  • Burkina Faso, former Upper Volta
  • butterflies, moths, variety of coverage
  • butterflies, moths (life cycles, sequences)
  • Cabeza Prieta NWR (AZ)
  • cactus (wild)
  • California (resident photographer, agency)
  • California (national parks, other public lands, wildernesses)
  • California (nature, environment)
  • California (tourism, destinations, attractions)
  • Coastal NM (CA)
  • California Coastal Trail
  • camouflage, cryptic color, form
  • Canada (geography)
  • Canada (national parks, other public lands, wildernesses)
  • Canada (nature, environment)
  • Canada (tourism, destinations, attractions)
  • Canada (wildlife)
  • canada geese
  • Canyon de Chelly NM (AZ) (many aspects)
  • Canyonlands NP (UT)
  • canyons
  • Capitol Reef NP (UT) (many aspects)
  • Caribbean countries (vegetation)
  • carnivorous plants
  • Cascade Range (Canada, U.S.)
  • caterpillars
  • cats, wild
  • cave, rock art and paintings (prehistoric)
  • caves, caverns (nature) (limestone)
  • Cedar Breaks NM (UT)
  • Central America (variety of coverage)
  • Central America (nature, environment)
  • Chaco Culture NHP (NM)
  • Channel Is. NP (CA)
  • Channel Is. (U.S.)
  • chaparral
  • chemistry
  • China (People's Republic of) (variety of coverage)
  • Chincoteague (VA)
  • chitons
  • Chobe (Botswana)
  • cicadas
  • cirques
  • cities (architecture, buildings)
  • cities (landmarks, tourist destinations, variety of coverage)
  • clear cutting
  • cliffs
  • cliffs (geology of)
  • cloud forests
  • clouds (types)
  • club mosses
  • Coast Mtns. (AK, BC)
  • Coast Ranges (CA, OR)
  • coasts, coastal areas (nature)
  • coasts, coastal areas (people)
  • coasts, coastal areas (geology)
  • coasts, coastal areas (vegetation)
  • cold (animal)
  • cold (vegetation and)
  • Colorado (nature, environment)
  • Colorado (wildlife)
  • Colorado NM (CO)
  • Colorado Plateau
  • Colorado River
  • concepts (nature related)
  • conifers, variety of coverage
  • conservation (of wildlife)
  • Continental Divide
  • Copán (Honduras)
  • Copper River Delta (AK)
  • coral reefs, atolls
  • Corcovado NP (Costa Rica)
  • Corkscrew Swamp Sanctuary (FL)
  • corn
  • Costa Rica (nature, environment)
  • crabs
  • Crater Lake NP (OR)
  • Craters of the Moon NM (ID)
  • crocodiles
  • crops
  • crops (rice)
  • crustaceans
  • cycads
  • dall sheep
  • dams
  • Dani (Indonesia)
  • daphnia
  • Death Valley Desert
  • Death Valley NP (CA)
  • decay
  • deciduous trees
  • deciduous trees (seasonal aspects)
  • deer (North American)
  • deforestation
  • deltas
  • Denali (Mt. McKinley)
  • Denali NP & NPr (AK) (many aspects)
  • Denali NP & NPr (AK) (landscapes)
  • Denali NP & NPr (AK) (natural history, natural resources)
  • Denali NP & NPr (AK) (wildlife)
  • deserts (nature)
  • deserts (environment, conservation)
  • deserts (flowering)
  • deserts (geology)
  • deserts (sand dunes)
  • deserts (vegetation)
  • deserts (wildlife)
  • developing nations
  • Devils Postpile NM (CA)
  • Devils Tower NM (WY)
  • Dinosaur NM (CO, UT)
  • Dinosaur Prov. Park (WHS, AB)
  • disasters (natural (e.g., earthquakes, forest fires))
  • diseases (plant (cultivated))
  • DNA
  • Dominican Republic
  • dragonflies, damselflies
  • drought (nature related)
  • ducks, wild (variety of coverage)
  • dunes (coastal)
  • dunes (desert)
  • Dyak (Indonesia)
  • eagles
  • eagles (with young)
  • earthquakes (people related)
  • earth science
  • East Coast, U.S.
  • Easter Is.
  • echidnas
  • ecological life zones, communities
  • ecology
  • ecosystem, habitat loss, destruction
  • ecosystem, habitat specialists
  • ecotravel (variety of coverage)
  • eggs (insect)
  • Egypt (tourism, destinations, attractions)
  • electron micrographs
  • electron micrographs (SEM)
  • electron micrographs (TEM)
  • elephants (African)
  • elephant seals
  • elk
  • El Malpais NM (NM)
  • emus
  • endangered habitats, ecosystems
  • endangered habitats, ecosystems (conservation, research)
  • endangered species (variety of coverage)
  • endangered species (plants)
  • energy, power sources
  • energy, power sources (alternative)
  • energy related environmental problems
  • England (variety of coverage)
  • entomology
  • environment
  • environmental issues
  • epiphytes
  • erosion (people) (variety of coverage)
  • erosion (agricultural)
  • erosion (coastal)
  • erosion (geologic)
  • erosion (natural process, not affecting people)
  • erratics (rock)
  • estuaries
  • Etosha Pan (Namibia)
  • eucalyptus, gum trees (in Australia)
  • Europe (variety of coverage)
  • Europe (architecture, buildings, structures)
  • Europe (geography)
  • Everglades NP (FL)
  • evolution
  • exotic flowers, plants, trees (cultivated)
  • faces (animal)
  • Falkland Is. (UK)
  • Farallon Is. (CA)
  • farms, farming (international)
  • fault zones, geological
  • fern allies
  • ferns (wild) (variety of coverage)
  • Fiji
  • finches
  • fish
  • fjords
  • flies
  • flies (fruit)
  • Florence (OR)
  • Florida (nature, environment)
  • Florida (wildlife)
  • flowerscapes
  • flowers (anatomy)
  • flowers (with pollinators)
  • flowers (wild)
  • food related behavior (variety of coverage)
  • food related behavior (grazing)
  • forest, ecology (floor)
  • forests, coastal, maritime (variety of coverage)
  • forests, forestry (variety of coverage)
  • forests, old growth (variety of coverage)
  • forests, woodlands, subarctic (variety of coverage)
  • forests, woodlands, subtropical (variety of coverage)
  • forests, woodlands, temperate (variety of coverage)
  • fossils (variety of coverage)
  • France (variety of coverage)
  • France (architecture, buildings, structures)
  • French Polynesia
  • frigatebirds
  • frogs, toads (variety of coverage)
  • frost (on vegetation)
  • frozen lakes, ponds, rivers (variety of coverage)
  • fruits, fruit growing
  • fungi (variety of coverage)
  • fungi (anatomy)
  • fungus
  • Galápagos Is.
  • galls
  • gametes
  • garbage, solid waste (disposal)
  • gardens (variety of coverage)
  • gardens (English)
  • gardens (vegetable)
  • geese (wild) (variety of coverage)
  • generic stock specialists (nature)
  • genetics
  • geography (aerials)
  • geography, textbook specialists
  • geography, physical
  • geography, social
  • geologists
  • geology (large, varied files, full identification)
  • geology (aerials)
  • geomorphology
  • geothermal activity
  • Germany (variety of coverage)
  • geysers, hot springs (variety of coverage)
  • Ghana
  • ginkgoes
  • giraffes
  • Glacier Bay NP & NPr (AK) (many aspects)
  • Glacier NP (MT) (many aspects)
  • glaciers, glaciology (variety of coverage)
  • glaciers, glaciology (aerials)
  • glaciers, glaciology (moraines)
  • glaciers, glaciology (valleys)
  • glaciers, glaciology (other aspects)
  • Golden Gate Bridge (CA)
  • Golden Gate NRA (CA) (many aspects)
  • gold panning
  • Gorée, Isle of (Senegal)
  • gorges
  • grain elevators
  • Grand Canyon NP (AZ) (many aspects)
  • Grand Canyon NP (AZ) (natural history, natural resources)
  • Grand Teton NP (WY) (many aspects)
  • Grand Teton NP (WY) (natural history, natural resources)
  • grasshoppers
  • Great Basin Desert
  • Great Basin NP (NV)
  • Great Britain
  • Great Lakes (U.S.)
  • Great Salt Lake
  • Great Sand Dunes NM (CO) (many aspects)
  • Great Smoky Mtns. NP (NC/TN)
  • Great Wall of China
  • Gros Morne NP (NF)
  • Guadalupe Mtns.
  • Guam
  • Guangzhou (China)
  • Gulf of California (Sea of Cortés, Mexico)
  • gulls (variety of coverage)
  • gulls (identification or behavior shots)
  • gypsy moths
  • habitats, arctic
  • habitats, temperate
  • habitats, tropical
  • Haiti
  • Haleakala NP (HI) (many aspects)
  • Haleakala NP (HI) (natural history, natural resources)
  • Hart Mtn. Nat'l. Antelope Refuge (OR)
  • hatching (insects, arthropods)
  • Hawaii (state) (geography)
  • Hawaii (state) (national parks, other public lands, wildernesses)
  • Hawaii (state) (nature, environment)
  • Hawaii (The Big Island)
  • Hawaii Volcanoes NP (HI) (many aspects)
  • hawks (can be identified in photo)
  • heat (animal-related) (adaptations to)
  • heat (plant-related)
  • herons, variety of coverage
  • Highway One (CA)
  • Himalaya Mtns.
  • historic sites (Asian)
  • historic sites (Central American)
  • historic sites (European)
  • historic sites (North American)
  • historic sites (other)
  • Honduras
  • hoo-doo (rock form)
  • Hoover Dam (AZ, NV)
  • horsetails
  • hot springs
  • housing (indigenous, e.g., African)
  • Hovenweep NM (CO, UT) (many aspects)
  • Humboldt-Toiyabe NF (CA, NV)
  • Hungary
  • hydras
  • ice (nature) (variety of coverage)
  • ice (crystals)
  • icebergs (variety of coverage)
  • Iceland
  • iguanas (wild)
  • Inca related coverage
  • India (geography)
  • indigenous, native peoples (international)
  • indigenous, native peoples (Latin America)
  • indigenous, native peoples (Africa)
  • indigenous, native peoples (Asia)
  • indigenous, native peoples (Australia, New Guinea)
  • indigenous, native peoples (South Pacific)
  • Indonesia (variety of coverage)
  • Indonesia (geography)
  • insects (identified) (variety of coverage)
  • insects (anatomy)
  • insects (beneficial)
  • insects (damage by)
  • insects (in habitat)
  • insects (life cycles, sequences)
  • intertidal zones
  • introduced species
  • introduced species (problems resulting from)
  • invertebrates (identified, no insects)
  • invertebrates (identified, no insects) (life cycles, sequences)
  • invertebrates (identified, no insects) (underwater)
  • Irian Jaya (Indonesia)
  • islands (variety of coverage)
  • islands (ecosystems)
  • islands (vegetation)
  • island types (variety of coverage)
  • island types (geology of)
  • Isle Royale NP (MI)
  • Italy (variety of coverage)
  • Italy (architecture, buildings, structures)
  • Italy (geography)
  • Italy (tourism, destinations, attractions)
  • Jamaica
  • Jasper NP (AB) (many aspects)
  • Java (Indonesia)
  • jellyfish (variety of coverage)
  • John Day Fossil Beds NM (OR) (many aspects)
  • Joshua Tree NP(CA)
  • Joshua Tree NP (CA) (landscapes)
  • Joshua Tree NP (CA) (natural history, natural resources)
  • Juneau (AK)
  • jungle habitats, ecosystems (not tropical rain forest) (vegetation)
  • jungle habitats, ecosystems (not tropical rain forest) (wildlife)
  • Kaibab Plateau (AZ, UT)
  • Kalimantan provinces (Indonesia)
  • kangaroos (variety of coverage)
  • Kashmir (India)
  • Kathmandu (Nepal)
  • katydids
  • Kauai (HI)
  • Kenai Fjords NP (AK)
  • Kenya (national parks, other public lands, wildernesses)
  • Kenya (nature, environment)
  • Kenya (wildlife)
  • Khumbu-Everest region (Nepal)
  • Kilauea Crater (HI)
  • King Range NCA (aka Lost Coast)
  • Klamath Basin NWRs
  • Kobuk Valley NP (AK)
  • Komodo Is. (Indonesia)
  • kookaburra
  • Krakatau Volcano (Indonesia)
  • krummholz trees
  • Ladakh (India)
  • ladybugs, ladybeetles
  • lakebeds, dry
  • Lake Clark NP & NPr (AK)
  • Lake Geneva
  • Lake Louise
  • Lake Malawi (Mozambique)
  • Lake Mead NRA (AZ, NV)
  • lakes (nature) (variety of coverage)
  • lakes (nature) (freshwater)
  • lakes (nature) (vegetation)
  • Lake Superior
  • Lake Titicaca (many aspects)
  • landfill
  • landmarks (man-made) (international)
  • landmarks (natural)
  • landmarks (natural) (international)
  • land, mud, rock slides (people related)
  • landscape (nature)
  • landscape (nature) (closeup,)
  • landscape (nature) (grand)
  • landscape (people) (international)
  • larvae
  • Lassen Volcanic NP (CA) (many aspects)
  • Lassen Volcanic NP (CA) (natural history, natural resources)
  • Latin America (variety of coverage)
  • Latin America (daily life, lifestyles, cultures, etc.)
  • Latin America (economy related (agriculture, construction, commerce, etc.))
  • Latin America (geography)
  • Latin America (history, antiquity, archeology)
  • Latin America (nature, environment)
  • Latin America (recreation)
  • Latin America (rural areas)
  • Latin Americans
  • lava (variety of coverage)
  • lava (types)
  • leaves
  • lichens (variety of coverage)
  • lighthouses
  • lions (African)
  • liverworts
  • Living Desert (CA)
  • lizards, lizardlike creatures (variety of coverage)
  • logging, lumbering (clear-cutting)
  • Machu Picchu (Peru) (variety of coverage)
  • McMurdo Sound (Antarctica)
  • macrophotography
  • Malawi
  • mammals (variety of coverage)
  • mammals, marine (variety of coverage)
  • mangroves, mangrove colonies (variety of coverage)
  • marine biology
  • marine life (variety of coverage)
  • markets, marketplaces (fish, vegetable, fruit, etc.)
  • Marshall Is.
  • marshes (variety of coverage)
  • marshes (vegetation)
  • marshes (wildlife)
  • marsupials (Australian, New Guinean species)
  • mating, courtship (variety of coverage)
  • Maui (HI)
  • Mauna Loa (HI)
  • Maya related
  • meadows, fields (vegetation)
  • medicine (practice of) (Asian (acupuncture, herbal))
  • Mediterranean Sea
  • Mesa Verde NP (CO) (many aspects)
  • metallic gold (color)
  • metamorphosis (sequences, life cycles)
  • Mexico (variety of coverage)
  • Mexico (architecture, buildings, structures)
  • Mexico (economy related (agriculture, construction, commerce, etc.))
  • Mexico (geography)
  • Mexico (nature, environment)
  • Michigan (national parks, other public lands, wildernesses)
  • microbiology
  • Mid-Atlantic states (nature, wildlife, environment)
  • milkweed
  • mimicry
  • mines, mining (variety of coverage)
  • Modoc
  • Mojave Desert (variety of coverage)
  • Mojave NP (CA)
  • mollusks
  • molting
  • Mono Basin
  • Mono Lake (CA)
  • monotremes
  • Montana (national parks, other public lands, wildernesses)
  • Montana (nature, environment)
  • Monterey Bay NMS (CA)
  • Monterrey (Mexico)
  • Monteverde Preserve (Costa Rica)
  • Mont-St.-Michel, La (France)
  • Monument Valley Navajo Tribal Park (many aspects)
  • mosques
  • mosses
  • mountains (nature) (variety of coverage)
  • mountains (people) (variety of coverage)
  • mountains (habitats, ecosystems in, variety of coverage)
  • mountains (resident peoples, lifestyles)
  • mountains (vegetation)
  • mountains (volcanic)
  • mountainscapes (nature)
  • Mt. Everest
  • Mt. Kenya
  • Mt. Kilimanjaro
  • Mt. Kinabalu (Malaysia)
  • Mt. Lassen
  • Mt. Rainier NP (WA) (many aspects)
  • Mt. Robson
  • Mt. Robson Prov. Park (BC)
  • Mt. Rushmore NM (SD) (many aspects)
  • Mt. St. Helens (before eruption)
  • Mt. St. Helens (after eruption)
  • Mt. Shasta
  • mule deer
  • Myanmar (former Burma)
  • Namib Desert (Namibia)
  • national parks, similar public lands, international (international)
  • national parks, similar public lands (U.S.)
  • national, state forests, U.S.
  • Native American(s) (antiquities (ruins, petroglyphs, rock paintings))
  • native costumes
  • native plants
  • natural history
  • natural resources
  • nautilus
  • nematodes
  • Nepal (architecture, buildings, structures)
  • Nepal (daily life, lifestyles, cultures, etc.)
  • Nepal (geography)
  • Nepal (nature, environment)
  • nest behavior (birds)
  • nests (birds')
  • Netherlands
  • Nevada (national parks, other public lands, wildernesses)
  • Nevada (nature, environment)
  • New England (variety of coverage)
  • Newfoundland (Canada)
  • New Mexico (national parks, other public lands, wildernesses)
  • New Mexico (nature, environment)
  • Ngorongoro Crater (Tanzania)
  • Niagara Falls (variety of coverage)
  • Noatak River (AK)
  • North America (antiquity (art, ruins, sites, etc.))
  • North Cascades NP (WA) (many aspects)
  • North Cascades NP (WA) (natural history, natural resources)
  • Northern Rockies
  • Northwestern states (nature, wildlife, environment)
  • nudibranchs
  • nymphs
  • Oceania
  • oceanography
  • oceans, seas (varied coverage)
  • off road vehicles
  • Okavango Delta (Botswana)
  • Old Faithful geyser
  • Olympic NP (WA) (many aspects)
  • Olympic NP (WA) (natural history, natural resources)
  • Olympic Peninsula (WA) (variety of coverage)
  • Ontario (Canada)
  • Oregon (variety of coverage)
  • Oregon (national parks, other public lands, wildernesses)
  • Oregon (nature, environment)
  • Oregon Dunes NRA (OR)
  • Organ Pipe Cactus NM (AZ) (many aspects)
  • Organ Pipe Cactus NM (AZ) (natural history, natural resources)
  • ornithology
  • Ouagadougou (Burkina Faso, Upper Volta)
  • outdoor activities (variety of coverage)
  • Outer Banks (NC)
  • overgrazing, effects of
  • overpopulation
  • owls (northern spotted)
  • Pacific Ocean (many aspects)
  • Pacific states, U.S. (variety of coverage)
  • Pacific states, U.S. (nature, wildlife, environment)
  • Pacific states, U.S. (tourism, destinations, attractions)
  • Pagan (Myanmar)
  • paleontology
  • palm trees
  • palm trees (groves of)
  • palm trees (in desert)
  • Papua New Guinea
  • paramecia
  • parasitism
  • parasitism (plant)
  • Paria Canyon (AZ, UT)
  • parks (state (U.S.))
  • patterns (nature)
  • Pátzcuaro (Mexico)
  • Pecos NHP (NM)
  • Peggy's Cove (NS)
  • pelicans (variety of coverage)
  • penguins (variety of coverage)
  • penguins (king)
  • perching birds, including passeriformes (variety of coverage)
  • Peru (variety of coverage)
  • Peru (geography)
  • Peru (history, antiquity, archeology)
  • Peru (national parks, other public lands, wildernesses)
  • Peru (nature, environment)
  • Peru (tourism, destinations, attractions)
  • pest species (insects)
  • pests, pesticides (agricultural)
  • Petrified Forest NP (AZ) (many aspects)
  • Petrified Forest NP (AZ) (natural history, natural resources)
  • petroglyphs, pictographs (variety of coverage)
  • photomicrography (light microscopes)
  • photomicrography (nature) (variety of coverage)
  • photomicrography (nature) (SEM)
  • photomicrography (nature) (TEM)
  • photomicrography (people) (variety of coverage)
  • photosynthesis
  • Pictured Rocks NL (MI)
  • Pinacate NP (Sonora, Mexico)
  • pine trees
  • pipelines
  • pipelines (effects on environment)
  • pitcher plants
  • pit vipers (copperheads, rattlesnakes, etc.) (variety of coverage)
  • plankton
  • plant communities
  • plant diseases, controls
  • plants (cultivated)
  • plants, trees (wild) (variety of coverage)
  • plazas, squares
  • Pohnpei (Micronesia)
  • poisonous, toxic, venomous (animals)
  • poisonous, toxic, venomous (plants)
  • pollination, pollinators
  • pollution (air)
  • pollution (ground (incl. ground ozone))
  • pollution (water)
  • Polynesia (variety of coverage)
  • Ponape Is. (Pohnpei, Micronesia)
  • ponds (vegetation)
  • Popocatépetl (Mexico)
  • Portage Glacier (AK)
  • Port-au-Prince (Haiti)
  • poverty
  • poverty (international)
  • power plants
  • power lines, high-tension electrical
  • power stations
  • prairie dogs
  • prairies (variety of coverage)
  • prairies (vegetation)
  • predators (large), dramatic portraits (variety of coverage)
  • predators, predatory behavior (insects, arthropods)
  • primates (variety of coverage)
  • Prince William Sound
  • produce
  • protozoa
  • Prudhoe Bay (AK)
  • psilotums
  • Pyramid Lake (NV)
  • pyramids (Egypt)
  • pyramids (Latin America)
  • radio telescopes
  • rain forest habitats, ecosystems (temperate) (variety of coverage)
  • rain forest habitats, ecosystems (temperate) (vegetation)
  • rain forest habitats, ecosystems (tropical) (variety of coverage)
  • rain forest habitats, ecosystems (tropical) (environment, conservation)
  • rain forest habitats, ecosystems (tropical) (vegetation)
  • Rangiroa Is. (Tuamotu Archipelago)
  • rarely photographed subjects (nature) (variety of coverage)
  • rarely photographed subjects (nature) (microscopic)
  • rattlesnakes
  • Redwood NP (CA)
  • reefs
  • religion (variety of coverage)
  • religion (Buddhism)
  • religion (Hinduism)
  • religion (Islam)
  • reproduction, animal
  • reproduction, plant
  • reptiles (variety of coverage)
  • Rift Valley
  • rivers (geology)
  • rivers (nature)
  • rivers (people)
  • Roatán Is. (Honduras)
  • rock forms
  • rock types (variety of coverage)
  • Rocky Mtn. NP (CO) (many aspects)
  • Rocky Mtn. NP (CO) (natural history, natural resources)
  • Rocky Mtns. (Canada)
  • Rocky Mtns. (U.S.)
  • Rocky Mtn. states
  • rocky shores (variety of coverage)
  • rocky shores (habitats, ecosystems)
  • rocky shores (vegetation)
  • rocky shores (wildlife)
  • Roosevelt NF
  • roots, root types (identified)
  • rotifers
  • ruins (historic)
  • rural (concept)
  • rural areas
  • Rwanda
  • sage scrub
  • Saguaro NP (AZ) (many aspects)
  • Saguaro NP (AZ) (natural history, natural resources)
  • salamanders, newts (variety of coverage)
  • salmon (Pacific)
  • salt
  • salt flats
  • salt-marsh habitats, ecosystems (variety of coverage)
  • salt-marsh habitats, ecosystems (vegetation)
  • Salton Sea (CA)
  • Samburu National Reserve (Kenya)
  • San Andreas Fault (CA)
  • sand dunes
  • sand dunes (natural history)
  • sandpipers
  • San Juan Islands (WA)
  • saprophytes
  • Sardinia (Italy)
  • Saskatchewan (Canada)
  • savannas (variety of coverage)
  • savannas (vegetation)
  • savannas (wildlife)
  • scenic byways (national forests)
  • scenic specialists (nature)
  • science
  • scientific specialists
  • scientists, scientific research (nature related)
  • scorpions
  • sea anemones
  • sea lions (variety of coverage)
  • sea lions (steller's)
  • seals (harbor)
  • seascapes (from shore)
  • seasons (same scene in four seasons)
  • sea urchins
  • seaweeds (algae)
  • seeds (generic) (cases, pods)
  • seeds (generic) (heads)
  • seeds (generic) (wind-borne)
  • seeds (identified)
  • Senegal
  • senses, animal
  • Sequoia & Kings Canyon NP (CA)
  • Sequoia NP (CA)
  • sequoias
  • sequoias (natural history of)
  • Serengeti NP (Tanzania)
  • sewage treatment plants
  • Seychelles
  • Shasta Lake (CA)
  • sheep (wild)
  • Sheldon
  • Shenandoah NP (VA)
  • Sherpas (Nepal)
  • Shiprock (NM)
  • shorebirds (variety of coverage)
  • shrines
  • Sicily (Italy)
  • Sierra Nevada Mtns.
  • Sinai Desert
  • skies (variety of coverage)
  • Skyline Drive (Blue Ridge Mtns.)
  • slash and burn agriculture
  • slime molds
  • sloths
  • slugs
  • slums
  • small towns (picturesque)
  • Smith River (CA)
  • snails (land)
  • snails (water)
  • Snake River (ID, OR, WA, WY)
  • snakes, serpents (variety of coverage)
  • snakes, serpents (venomous)
  • snow (nature related)
  • snow (plant life in)
  • Snow Canyon SP (UT)
  • social behavior, animal (variety of coverage)
  • social behavior (insects, arthropods)
  • social behavior (marine mammals)
  • Society Is. (Fr. Polynesia)
  • solar energy
  • songbirds
  • Sonoran Desert (AZ, CA)
  • Sonoran Desert (Mexico)
  • South Africa (wildlife)
  • South America (variety of coverage)
  • South America (geography)
  • South Dakota
  • Southeastern states (nature, wildlife, environment)
  • South Pacific
  • South Pole
  • Southwest (ambience, style)
  • Southwestern states (nature, wildlife, environment)
  • spiders (variety of coverage)
  • spiders (reproduction)
  • spines, thorns (plant)
  • sponges
  • spores
  • spring (wildflowers)
  • springs
  • squid
  • squirrels
  • Sri Lanka (Ceylon)
  • stalactites, stalagmites
  • starfish
  • Steens Mtn. (OR)
  • stick insects
  • stoneflies
  • stones
  • storks
  • streams, brooks
  • streams, brooks (vegetation)
  • strip mining
  • stromatolites
  • subarctic
  • subtropical ecological niche (vegetation)
  • succession (forest)
  • succulents (wild)
  • Sudan
  • Sulawesi Is. (aka Celebes, Indonesia)
  • Sumatra (Indonesia)
  • summer (vegetation)
  • sundews
  • sunflower
  • sun (nature related) (sets, rises)
  • Sunset Crater Volcano NM (AZ)
  • swamps
  • swamps (vegetation)
  • Switzerland (variety of coverage)
  • Sydney (Australia) (many aspects)
  • symbiotic, commensal behavior
  • tadpoles
  • Tahiti (Society Is.)
  • taiga (variety of coverage)
  • taiga (vegetation)
  • Taj Mahal
  • Tanzania (variety of coverage)
  • Tanzania (nature, wildlife, environment)
  • Tanzania (tourism, destinations, attractions)
  • Taos Pueblo (NM)
  • tarantulas
  • tarns
  • Taxco (Mexico)
  • taxonomy
  • Tegucigalpa (Honduras)
  • temples (variety of coverage)
  • temples (ancient)
  • termites
  • terns (variety of coverage)
  • terns (Arctic)
  • terrace farming
  • terrace farming (ancient terraces)
  • Teton Range
  • Texas (national parks, other public lands, wildernesses)
  • textbook specialists (credits to support entry) (biology)
  • textbook specialists (credits to support entry) (botany)
  • textbook specialists (credits to support entry) (earth sciences)
  • textbook specialists (credits to support entry) (zoology)
  • Thailand (architecture, buildings, structures)
  • Thames River (England)
  • Tian Mtns. (China, Kyrgyzstan)
  • Tibet (Xizang) (variety of coverage)
  • ticks
  • ticks (deer ticks (Lyme disease))
  • tidal pools (variety of coverage)
  • tidal pools (life in)
  • Tijuana (Mexico)
  • timberline (vegetation)
  • tissue sections
  • tobacco
  • totem poles (Haida)
  • tourists, tourism (destinations, attractions)
  • tourists, tourism (nature related)
  • travel, destinations (nature related)
  • trees
  • trees (wild, identified) (variety of coverage)
  • trekking
  • tribes, tribal life (variety of coverage)
  • trichinella
  • tropical (color)
  • tropical habitats, ecosystems (not jungle, not rain forest) (variety of coverage)
  • tropical habitats, ecosystems (not jungle, not rain forest) (vegetation)
  • tropical habitats, ecosystems (not jungle, not rain forest) (wildlife)
  • tropics (variety of coverage)
  • trout
  • Tsavo NP (Kenya)
  • tulips (cultivated)
  • tundra (variety of coverage)
  • tundra (as ecosystem)
  • tundra (vegetation)
  • tundra (wildlife)
  • tunicates
  • Tuolumne River
  • turtles, terrapins, tortoises (variety of coverage)
  • turtles, terrapins, tortoises (freshwater)
  • turtles, terrapins, tortoises (giant tortoises)
  • turtles, terrapins, tortoises (sea)
  • Uinta Mtns.
  • underwater photography (nature)
  • United States (aerials)
  • United States (economy related (agriculture, construction, commerce, etc.))
  • United States (geography)
  • United States (national parks, other public lands, wildernesses)
  • United States (national parks, other public lands, documentary)
  • United States (nature, environment)
  • United States (recreation)
  • United States (rural areas)
  • United States (tourism, destinations, attractions)
  • United States (wildlife)
  • Upper Peninsula (MI)
  • urbanization
  • urban sprawl
  • Utah (architecture, buildings, structures)
  • Utah (national parks, other public lands, wildernesses)
  • Utah (nature, environment)
  • Utah (tourism, destinations, attractions)
  • Valdez (AK)
  • Valley of Fire SP (NV)
  • valleys
  • valleys (geology of)
  • Vancouver (BC) (many aspects)
  • vegetables
  • vegetables (in markets)
  • vegetation types
  • vegetation
  • Vernal (UT)
  • Very Large Array National Radio Astronomy Observatory (NM)
  • villages
  • vines (wild)
  • vipers
  • Virginia (national parks, other public lands, wildernesses)
  • Virginia (nature, wildlife, environment)
  • Virunga Mtns. (Congo, Democratic Republic of, Rwanda, Uganda)
  • volcanoes, volcanic (variety of coverage)
  • volcanoes, volcanic (quiescent)
  • vultures (Africa)
  • vultures (mood shots)
  • walls (stone)
  • Warner Mtns. (CA, OR)
  • warning (aposematic) coloration
  • Wasatch Mtns.
  • Washington (variety of coverage)
  • Washington (national parks, other public lands, wildernesses)
  • Washington (nature, environment)
  • wasps
  • waterfalls (nature)
  • waterfowl (variety of coverage)
  • waterholes
  • waterholes (wildlife)
  • water (nature related)
  • water (people related)
  • water (wildlife) (use of)
  • water (people) (use of)
  • water plants (wild)
  • water striders, water boatmen
  • waves (variety of coverage)
  • weather (nature) (variety of coverage)
  • weaver finches
  • webs, spider
  • Weddell Sea (Antarctica)
  • Welwitschia mirabilis (tumboa)
  • West Coast, U.S.
  • wetland habitats, ecosystems (variety of coverage)
  • wetland habitats, ecosystems (environment, conservation)
  • wetland habitats, ecosystems (vegetation)
  • wetland habitats, ecosystems (wildlife)
  • whales (gray)
  • whale watching
  • White Mtns. (CA, NV)
  • White Mtns. (New England)
  • White Sands NM (NM) (many aspects)
  • White Sands NM (NM) (natural history, natural resources)
  • whitewater
  • Wichita Mtns. NWR
  • wild (concept)
  • wildernesses, U.S.
  • wildlife, international
  • wildlife refuges, international
  • wildlife refuges, U.S.
  • wildlife scenics (variety of coverage)
  • wildlife trade, poaching (animal parts ("bushmeat," hides, organs, etc.))
  • wildlife, U.S. (variety of coverage)
  • wind (erosion from)
  • wind (nature)
  • wind (trees misshapen by)
  • windmills, wind energy, wind power (new, alternative energy)
  • wings (insect)
  • winter (nature)
  • winter (vegetation (identified))
  • Wood Buffalo NP (AB, NWT)
  • worms
  • Wrangell-St. Elias NP & NPr (AK)
  • Wyoming (geography)
  • Wyoming (national parks, other public lands, wildernesses)
  • Wyoming (nature, environment)
  • Wyoming (wildlife)
  • Xinjiang (China)
  • yaks
  • Yellowstone fires (1988) (regrowth after)
  • Yellowstone NP (ID, MT, WY) (many aspects)
  • Yellowstone NP (ID, MT, WY) (natural history, natural resources)
  • yews
  • Yoho NP (BC)
  • Yosemite NP (CA) (many aspects)
  • yucca
  • zebra (common (burchells))
  • zebra (grevy)
  • Zion NP (UT) (many aspects)
  • Zion NP (UT) (natural history, natural resources)
  • zoology
  • zoo photography specialist
Specialty coverage
  • Alaska (geography)
  • Alaska (national parks, other public lands, wildernesses)
  • algae (except seaweeds)
  • amoebas
  • amphibians
  • anatomy, physiology (animal)
  • anatomy, physiology (plant)
  • Arches NP (UT)
  • arthropods (variety of coverage)
  • baboons
  • bacteriology, bacteria
  • Baja California Peninsula (many aspects)
  • baobabs
  • beaches (nature)
  • biology
  • birds (variety of coverage)
  • botany
  • bristlecone pines
  • Burkina Faso, former Upper Volta
  • butterflies, moths, variety of coverage
  • butterflies, moths (life cycles, sequences)
  • Cabeza Prieta NWR (AZ)
  • cactus (wild)
  • California (resident photographer, agency)
  • California (national parks, other public lands, wildernesses)
  • California (nature, environment)
  • camouflage, cryptic color, form
  • Cascade Range (Canada, U.S.)
  • caterpillars
  • coasts, coastal areas (nature)
  • coasts, coastal areas (people)
  • coasts, coastal areas (geology)
  • Colorado Plateau
  • conifers, variety of coverage
  • Death Valley NP (CA)
  • Denali NP & NPr (AK) (many aspects)
  • deserts (nature)
  • deserts (flowering)
  • deserts (sand dunes)
  • deserts (vegetation)
  • earth science
  • ecological life zones, communities
  • ecology
  • ecosystem, habitat specialists
  • electron micrographs
  • electron micrographs (SEM)
  • electron micrographs (TEM)
  • environmental issues
  • flowers (wild)
  • forests, coastal, maritime (variety of coverage)
  • forests, forestry (variety of coverage)
  • forests, old growth (variety of coverage)
  • fungi (variety of coverage)
  • Galápagos Is.
  • geography, physical
  • geology (large, varied files, full identification)
  • geothermal activity
  • Glacier Bay NP & NPr (AK) (many aspects)
  • glaciers, glaciology (variety of coverage)
  • glaciers, glaciology (valleys)
  • Great Basin Desert
  • Hawaii (state) (national parks, other public lands, wildernesses)
  • Honduras
  • ice (nature) (variety of coverage)
  • insects (identified) (variety of coverage)
  • insects (life cycles, sequences)
  • intertidal zones
  • invertebrates (identified, no insects)
  • islands (variety of coverage)
  • Joshua Tree NP(CA)
  • Joshua Tree NP (CA) (landscapes)
  • Joshua Tree NP (CA) (natural history, natural resources)
  • landmarks (natural)
  • landmarks (natural) (international)
  • landscape (nature)
  • landscape (nature) (closeup,)
  • landscape (nature) (grand)
  • landscape (people) (international)
  • larvae
  • Latin America (history, antiquity, archeology)
  • leaves
  • lichens (variety of coverage)
  • lizards, lizardlike creatures (variety of coverage)
  • macrophotography
  • mammals (variety of coverage)
  • marine biology
  • marine life (variety of coverage)
  • metamorphosis (sequences, life cycles)
  • Mexico (variety of coverage)
  • microbiology
  • mimicry
  • Mojave Desert (variety of coverage)
  • Mono Lake (CA)
  • Montana (national parks, other public lands, wildernesses)
  • mountains (nature) (variety of coverage)
  • mountains (people) (variety of coverage)
  • mountainscapes (nature)
  • national parks, similar public lands (U.S.)
  • national, state forests, U.S.
  • Native American(s) (antiquities (ruins, petroglyphs, rock paintings))
  • native plants
  • natural history
  • natural resources
  • paramecia
  • penguins (variety of coverage)
  • photomicrography (light microscopes)
  • photomicrography (nature) (variety of coverage)
  • photomicrography (nature) (SEM)
  • photomicrography (nature) (TEM)
  • photomicrography (people) (variety of coverage)
  • plants, trees (wild) (variety of coverage)
  • predators (large), dramatic portraits (variety of coverage)
  • predators, predatory behavior (insects, arthropods)
  • protozoa
  • reproduction, animal
  • reproduction, plant
  • reptiles (variety of coverage)
  • rivers (nature)
  • rock forms
  • Rocky Mtns. (U.S.)
  • rocky shores (variety of coverage)
  • ruins (historic)
  • Rwanda
  • Saguaro NP (AZ) (natural history, natural resources)
  • salt
  • sand dunes
  • saprophytes
  • scenic specialists (nature)
  • science
  • seaweeds (algae)
  • sewage treatment plants
  • Shiprock (NM)
  • shorebirds (variety of coverage)
  • skies (variety of coverage)
  • Sonoran Desert (AZ, CA)
  • South Dakota
  • Southwestern states (nature, wildlife, environment)
  • spiders (variety of coverage)
  • spines, thorns (plant)
  • spring (wildflowers)
  • swamps (vegetation)
  • Taxco (Mexico)
  • textbook specialists (credits to support entry) (biology)
  • textbook specialists (credits to support entry) (botany)
  • textbook specialists (credits to support entry) (earth sciences)
  • textbook specialists (credits to support entry) (zoology)
  • tidal pools (variety of coverage)
  • tidal pools (life in)
  • timberline (vegetation)
  • tissue sections
  • trees
  • trees (wild, identified) (variety of coverage)
  • tundra (variety of coverage)
  • tundra (vegetation)
  • United States (aerials)
  • United States (geography)
  • United States (national parks, other public lands, wildernesses)
  • United States (national parks, other public lands, documentary)
  • United States (nature, environment)
  • United States (rural areas)
  • United States (tourism, destinations, attractions)
  • Utah (national parks, other public lands, wildernesses)
  • valleys (geology of)
  • vegetation types
  • vegetation
  • volcanoes, volcanic (variety of coverage)
  • Washington (national parks, other public lands, wildernesses)
  • waterfalls (nature)
  • waterfowl (variety of coverage)
  • water (nature related)
  • West Coast, U.S.
  • wetland habitats, ecosystems (variety of coverage)
  • wetland habitats, ecosystems (vegetation)
  • wildlife, U.S. (variety of coverage)
  • winter (nature)
  • Wyoming (national parks, other public lands, wildernesses)
  • Yellowstone NP (ID, MT, WY) (many aspects)
  • Yosemite NP (CA) (many aspects)
  • yucca
  • zoology