Frogs pdf epub mobi txt 电子书 下载 2025
Ellin Beltz is a biologist, herpetologist and author. She has taught at Northeastern Illinois University, the Morton Arboretum, Trinity Christian College and College of the Redwoods.
""A comprehensive guide to all 31 families of frogs. Spectacular full-color photographs... This book can be enjoyed by readers of all ages." -- Science News" Frogs and toads are one of nature's great animal success stories. They are also the "canary in the mine" for climate change. Renowned herpetologist Ellin Beltz paints a compelling picture of these small survivors. Some of the features of "Frogs" are: Unprecedented selection of 125 color photographs of frogs and toads from around the world Detailed examinations of all 31 frog and toad families, describing biology, behavior, physical characteristics, habitat, voice, feeding and reproduction Review of the environmental threats that are rapidly reducing frog numbers around the world and the ongoing conservation efforts to stem potential losses Historical overview of frogs in myth and culture and their place in art and literature Sidebars highlighting unusual and interesting facts. "Frogs" is a comprehensive and fascinating reference that is extremely useful for herpetologists and naturalists and informative for general readers.
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