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Amphibian - Wikipedia, the free encyclopedia
Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia. Modern amphibians are all Lissamphibia.
https://en.wikipedia.org/wiki/Amphibian
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Amphibian - Animal - Britannica.com
Amphibia any member of the group of vertebrate animals characterized by their ability to exploit both aquatic and terrestrial habitats.
http://www.britannica.com/animal/amphibian
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Amphibians - Videos, Photos and Facts - ARKive
Most popular amphibians. View videos and photos of 50 of the most popular amphibians in nature. Learn more about their biology, threats and conservation.
http://www.arkive.org/amphibians/
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Reptile or Amphibian? A Handy Identification Key
Take the guesswork out of distinguishing between reptiles and amphibians. This identification key will help you to differentiate the basic types of reptiles and amphibians.
http://animals.about.com/od/identifyinganimals/ss/amphibianidkey.htm
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10 Facts About Amphibians
Learn facts about frogs and find out about their diversity, evolutionary history and the characteristics make them different from other vertebrates.
http://animals.about.com/od/amphibians/a/amphibian-facts.htm
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How to Identify Amphibians - HowStuffWorks
Do you know how to identify amphibians? Find out how to identify amphibians in this article from HowStuffWorks.
http://animals.howstuffworks.com/amphibians/how-to-identify-amphibians.htm
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Top 100 EDGE Amphibians
A list of the top 100 most evolutionarily distinct and globally endangered amphibian species.
http://www.edgeofexistence.org/amphibians/top_100.php
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Amphibians.org - Amphibian Conservation
For over a decade amphibians.org has been a source of information relating to amphibian conservation, research and education. Now, as the home of the IUCN SSC Amphibian Specialist Group (ASG) and Amphibian Survival Alliance (ASA), amphibians.org is playing an important role in coordianting the global response to amphibian declines around the world.
http://www.amphibians.org
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What are Amphibians?
All about amphibian biology, taxonomy, ecology: frogs, toads, caecilians and salamanders. Learn about the decline of amphibians and their role in nature.
http://www.amphibianark.org/education/what-are-amphibians/
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Amphibians - National Geographic
Learn all you wanted to know about amphibians with pictures, videos, photos, facts, and news from National Geographic.
http://animals.nationalgeographic.com/animals/amphibians