Amphibians of Oregon, Washington and British Columbia: A Field Identification GuideFrogs, toads and salamanders are important indicators of the quality of the environment, and they're cute little critters too. Newly revised and updated, this innovative field guide describes the life histories, habitat requirements and vulnerabilities of 38 species of amphibians in the Pacific Northwest, plus a new appendix of additional species. Color photographs and illustrated keys help identify all life stages of each species. As well, a multitude of fascinating details about amphibians are provided, including: - habitat preferences - tips for finding them - planning amphibian surveys - their activity through the seasons - guidelines for handling and measuring them - photography tips - a table that compares confusing species - current status. This handy, informative book is sure to be invaluable to biologists and field technician experts as well as to individuals on a family outing or school field trip. |
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Amphibians of Oregon, Washington and British Columbia: A Field ... Charlotte C. Corkran,Chris Thoms No preview available - 1996 |
Common terms and phrases
American Bullfrog amphibians aquatic Basin Spadefoot belly Boreal Chorus Frog British Columbia Cascades Frog Coastal Giant Salamander Coastal Tailed Frog Columbia Spotted Frog Confusing Species Comparisons costal grooves dorsal fin dorsal stripe dorsolateral folds Egg mass ELEVATION Sea level Ensatina eyes Foothill Yellow-legged Frog FOREST AND LOGS fourth toe frogs and toads gill stalk Green Frog HABITATS head hind foot hind legs jelly layer JUVENILE ADULT BREEDING Juveniles and adults larvae lay their eggs legs are adpressed Long-toed Salamander metamorphose moist Mountain Tailed Frog neotenic Northern Leopard Frog Northwestern Salamander Oregon Spotted Frog outer fifth Pacific Treefrog patches PHYSIOGRAPHIC PROVINCES Oregon Red-legged Frog Rocky Mountain Tailed Rough-skinned Newt side filaments side view snout speckling stripe color surface tadpoles tail trunk talus terrestrial salamanders Tiger Salamander tooth rows top edge Torrent Salamander usually vegetation Washington Western Toad Wildlife Wood Frog Woodhouse's Toad yellow