Dan Suzio
http://www.agpix.com/suzio

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Desert tortoise, Gopherus agassizii.  State- and Federally-listed Threatened Species.
© Dan Suzio
Desert tortoise, Gopherus
agassizii. State-...

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British herpetologist Mark O'Shea holds a Sunda Island pitviper, Cryptelytrops insularis. Watching is Timorese student Benny Carvalho. Bakhita Mission, near Eraulo, Ermera District, Timor-Leste (East Timor)
© Dan Suzio
Photography
British herpetologist Mark
O'Shea holds...

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Immature yellow-headed caracara, Milvago chimachima. Tarcoles River, Costa Rica
© Dan Suzio
Photography
Immature yellow-headed
caracara, Milvago
chimachima....

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Sierra newt (California newt), Taricha torosa sierrae, larval stage
© Dan Suzio
Sierra newt (California newt),
Taricha...


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Immature yellow-headed caracara, Milvago chimachima. Tarcoles River, Costa Rica
© Dan Suzio
Photography
Immature yellow-headed
caracara, Milvago
chimachima....

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Mojave fringe-toed lizard, Uma scoparia, on sand dunes in Death Valley National Park, California. The elongated scales or "fringe" on its toes give this lizard traction to run over loose, dry sand.
© Dan Suzio
Mojave fringe-toed lizard, Uma
scoparia,...

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Nest of common raven, Corvus corax, Red Rock Canyon State Park, California
© Dan Suzio
Nest of common raven,
Corvus...

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Quaking aspen, Populus tremuloides. Hope Valley, Sierra Nevada Mountains, California
© Dan Suzio
Quaking aspen, Populus
tremuloides. Hope...


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Female rice paddy frog, Fejervarya sp., from the Baucau district of Timor-Leste (East Timor)
© Dan Suzio
Photography
Female rice paddy frog,
Fejervarya...

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Quaking aspen, Populus tremuloides. Hope Valley, Sierra Nevada Mountains, California
© Dan Suzio
Quaking aspen, Populus
tremuloides. Hope...

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Timor bent-toed gecko, a previously undescribed species of the genus Cyrtodactylus, using its tongue to clean its eye.  Atauro Island, Timor-Leste (East Timor).
© Dan Suzio
Photography
Timor bent-toed gecko, a
previously...

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Female Yosemite toad, Bufo canorus, in a high elevation meadow in California's Sierra Nevada mountains. Once widespread in the high Sierra, since the 1980s Yosemite toads have disappeared or severely declined in over 50% of their former range, and now survive only in a handful of wet meadows. The toad is listed as a Species of Special Concern under the Federal Endangered Species Act as well as by the State of California, and is listed as Endangered by the IUCN.
© Dan Suzio
Female Yosemite toad, Bufo
canorus,...


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American herpetology students Caitlin Sanchez (left) and Jester Ceballos prepare specimens at their makeshift research station at Tua Koin Resort, Atauro Island, Timor-Leste (East Timor)
© Dan Suzio
Photography
American herpetology students
Caitlin Sanchez...

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Bullfrog tadpole and froglet with partial tail
© Dan Suzio
Bullfrog tadpole and froglet
with...

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Leschenault's snake-eyed skink, Cryptoblepharus leschenault. Near Eraulo, Ermera District, Timor-Leste (East Timor)
© Dan Suzio
Photography
Leschenault's snake-eyed
skink, Cryptoblepharus
leschenault....

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Professor Hinrich Kaiser of Victor Valley College, Victorville, California (right), presents his Initial Report on the Herpetofauna of Timor-Leste to President Jose Ramos-Horta (center) at the President's home in Dili on February 4, 2010.  Professor Kaiser and his students are conducting the first scientific survey of the reptiles and amphibians of Timor-Leste (East Timor). Seated at left is British herpetologist Mark O'Shea, a participant in the research project.
© Dan Suzio
Photography
Professor Hinrich Kaiser of
Victor...


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African clawed frog, Silurana sp.  Native to sub-Saharan Africa, clawed frogs were exported worldwide in the 1940s and 1950s for use in human pregnancy tests, and were later sold widely as pets.  Feral populations are now established in many countries, including the United States, where they are a threat to native amphibians and fish.  Especially large populations exist in California, preying on endangered California red-legged frogs, Rana aurora draytonii, and endangered unarmored threespine sticklebacks, Gasterosteus aculeatus williamson.  Recent evidence suggests the chytrid fungus that is currently decimating frog populations around the world originated in Africa and was spread by these frogs.
© Dan Suzio
African clawed frog, Silurana
sp....

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California toad (Western toad), Bufo boreas halophilus.  Eel River, Mendocino County, California
© Dan Suzio
California toad (Western
toad), Bufo...

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Hind foot of African clawed frog, Silurana sp.  Native to sub-Saharan Africa, clawed frogs were exported worldwide in the 1940s and 1950s for use in human pregnancy tests, and were later sold widely as pets.  Feral populations are now established in many countries, including the United States, where they are a threat to native amphibians and fish.  Especially large populations exist in California, preying on endangered California red-legged frogs, Rana aurora draytonii, and endangered unarmored threespine sticklebacks, Gasterosteus aculeatus williamson.  Recent evidence suggests the chytrid fungus that is currently decimating frog populations around the world originated in Africa and was spread by these frogs.
© Dan Suzio
Hind foot of African clawed...

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American bullfrogs, Rana catesbeiana, Northern California. Native to the Eastern United States, bullfrogs were introduced and have become established west of the Rockies. Bullfrogs are large, aggressive predators and prolific breeders, and have been a factor in declining native frog populations in many areas of the West.
© Dan Suzio
American bullfrogs, Rana
catesbeiana, Northern...


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Mojave aster, Xylorhiza tortifolia, Death Valley National Park, California
© Dan Suzio
Mojave aster, Xylorhiza
tortifolia, Death...

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Olivaceous (Neotropical) cormorant, Phalacrocorax olivaceus. Tarcoles River, Costa Rica.
© Dan Suzio
Photography
Olivaceous (Neotropical)
cormorant, Phalacrocorax
olivaceus....

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Brown jay, Cyanocorax morio, eating fruits of Stemmadenia litoralis (Stemmadenia galeottiana). Hotel Bougainvillea, San Jose, Costa Rica
© Dan Suzio
Photography
Brown jay, Cyanocorax morio,
eating...

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A man sits with his cattle next to a traditional bamboo hut and thatched roof shelter in the mountains south of Dili, Timor-Leste (East Timor)
© Dan Suzio
Photography
A man sits with his...


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Black spiny-tailed iguana, Ctenosaura similis, on the grounds of Punta Leona Hotel and Resort, Costa Rica
© Dan Suzio
Photography
Black spiny-tailed iguana,
Ctenosaura similis,...

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Female rice paddy frog, Fejervarya sp., from the Baucau district of Timor-Leste (East Timor)
© Dan Suzio
Photography
Female rice paddy frog,
Fejervarya...

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Pacific treefrog (Pacific chorus frog), Hyla regilla (Pseudacris regilla), on sunflower, Helianthus sp.
© Dan Suzio
Pacific treefrog (Pacific
chorus frog),...

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Alameda whipsnake, Masticophis lateralis euryxanthus, a Federal- and State-listed Threatened Species. Mount Diablo State Park, California
© Dan Suzio
Photography
Alameda whipsnake, Masticophis
lateralis euryxanthus,...


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Four-fingered skink, Carlia sp., from the Baucau district of Timor-Leste (East Timor). A previously undescribed species, tentatively called Carlia species 4.  (Specimen HK549)
© Dan Suzio
Photography
Four-fingered skink, Carlia
sp., from...

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Santa Cruz garter snake, Thamnophis atratus atratus, Mount Diablo State Park, California
© Dan Suzio
Santa Cruz garter snake,
Thamnophis...

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Brown jay, Cyanocorax morio, eating fruits of Stemmadenia litoralis (Stemmadenia galeottiana). Hotel Bougainvillea, San Jose, Costa Rica
© Dan Suzio
Photography
Brown jay, Cyanocorax morio,
eating...

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Ocotillo, Fouquieria splendens, Imperial County, California
© Dan Suzio
Ocotillo, Fouquieria
splendens, Imperial County,...


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Chase Pond, Mount Diablo State Park, California
© Dan Suzio
Chase Pond, Mount Diablo
State...

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Ruins of old cottage, Wildrose Canyon, Death Valley National Park, California
© Dan Suzio
Ruins of old cottage,
Wildrose...

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Truck on a mountain road south of Dili, Timor-Leste (East Timor)
© Dan Suzio
Photography
Truck on a mountain road...

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Creosote bush, Larrea tridentata, on Ibex sand dunes, Death Valley National Park
© Dan Suzio
Creosote bush, Larrea
tridentata, on...


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Side-blotched lizard, Uta stansburiana, female.  Wildrose Canyon, Death Valley National Park, California
© Dan Suzio
Side-blotched lizard, Uta
stansburiana, female....

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Northern Pacific rattlesnake, Crotalus viridis oreganus, in defensive posture.  Mount Diablo State Park, California
© Dan Suzio
Northern Pacific rattlesnake,
Crotalus viridis...

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Canada goose and other waterfowl at Saratoga Spring, an oasis at the southern end of Death Valley
© Dan Suzio
Canada goose and other
waterfowl...

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Wilson's warbler, Wilsonia pusilla. Wildrose Canyon, Death Valley National Park, California
© Dan Suzio
Wilson's warbler, Wilsonia
pusilla. Wildrose...


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Red-eyed treefrog, Agalychnis callidryas. Villa Lapas, near Herradura, Costa Rica
© Dan Suzio
Red-eyed treefrog, Agalychnis
callidryas. Villa...

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Pacific treefrog (Pacific chorus frog), Hyla regilla (Pseudacris regilla)
© Dan Suzio
Pacific treefrog (Pacific
chorus frog),...

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Women sell vegetables on a sidewalk in Dili, Timor-Leste (East Timor)
© Dan Suzio
Photography
Women sell vegetables on a...

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Female rice paddy frog, Fejervarya sp., from the Baucau district of Timor-Leste (East Timor)
© Dan Suzio
Photography
Female rice paddy frog,
Fejervarya...


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Striped treefrog, Polypedates leucomystax, from the Baucau District of Timor-Leste (East Timor). This frog has only recently been studied in Timor-Leste, and will probably be assigned to another species.
© Dan Suzio
Photography
Striped treefrog, Polypedates
leucomystax, from...

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Great Basin collared lizard, Crotaphytus insularis bicinctores, Death Valley National Park
© Dan Suzio
Great Basin collared lizard,
Crotaphytus...

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Immature yellow-headed caracara, Milvago chimachima. Tarcoles River, Costa Rica
© Dan Suzio
Photography
Immature yellow-headed
caracara, Milvago
chimachima....

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Leschenault's snake-eyed skink, Cryptoblepharus leschenault. Near Eraulo, Ermera District, Timor-Leste (East Timor)
© Dan Suzio
Photography
Leschenault's snake-eyed
skink, Cryptoblepharus
leschenault....


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Northern Pacific rattlesnake, Crotalus viridis oreganus, in defensive posture.  Mount Diablo State Park, California
© Dan Suzio
Northern Pacific rattlesnake,
Crotalus viridis...

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Groove-billed ani, Crotophaga sulcirostris. Near Tarcoles, Costa Rica
© Dan Suzio
Photography
Groove-billed ani, Crotophaga
sulcirostris. Near...

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Olivaceous (Neotropical) cormorant, Phalacrocorax olivaceus. Tarcoles River, Costa Rica.
© Dan Suzio
Photography
Olivaceous (Neotropical)
cormorant, Phalacrocorax
olivaceus....

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Santa Cruz garter snake, Thamnophis atratus atratus (Thamnophis couchii atratus), eating tadpole of California red-legged frog, Rana aurora draytonii, a Federally listed Threatened Species. Foothills of Mount Diablo, California. Once abundant throughout California, red-legged frog populations have been dramatically reduced by habitat destruction, water pollution, suburban sprawl, and predation by non-native bullfrogs. Red-legged frogs and garter snakes have always occupied the same habitats; predation by these native snakes is not considered a significant factor in the frogs' decline.
© Dan Suzio
Santa Cruz garter snake,
Thamnophis...


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Nest of common raven, Corvus corax, Red Rock Canyon State Park, California
© Dan Suzio
Nest of common raven,
Corvus...

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Timor bent-toed gecko, a previously undescribed species of the genus Cyrtodactylus, from Atauro Island, Timor-Leste (East Timor).
© Dan Suzio
Photography
Timor bent-toed gecko, a
previously...

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Four-clawed gecko, Gehyra mutilata, on Atauro Island, Timor-Leste (East Timor).
© Dan Suzio
Photography
Four-clawed gecko, Gehyra
mutilata, on...

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Emerald tree skink, Lamprolepis cf smaragdina, from the Baucau district of Timor-Leste (East Timor).  While similar to L. smaragdina on other islands, individuals from East Timor are different in significant ways and will probably be assigned to a new species after further study.
© Dan Suzio
Photography
Emerald tree skink,
Lamprolepis cf...


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