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from photographer Dan Suzio


Pacific treefrog (Pacific chorus frog), Hyla regilla

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Caption: Pacific treefrog (Pacific chorus frog), Hyla regilla
Scientific name: Hyla regilla (Pseudacris regilla)
Location: San Joaquin County, California
Copyright: © Dan Suzio
Photographer Code: 885-23
AGPix ID: AGPix_DaSu8_0006
Digital Original
Comments: Complete life cycle available, including eggs, tadpoles, metamorphs, froglets, and adults.

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Dan Suzio
PO Box 5803
Berkeley CA 94705-0803

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415 49th Street
Oakland CA 94609

Phone:
510 548-8157

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Dan@DanSuzio.com

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http://www.dansuzio.com

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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
Western fence lizard, Sceloporus occidentalis, left on branch by kestrel, shrike, or other predatory bird.  Mt. Diablo State Park, California
© Dan Suzio