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Amphibians

Amphibians are a group of vertebrates that includes salamanders, newts, caecilians, frogs and toads. There are between 5,000 and 6,000 species of amphibians alive today. The first amphibians arose about 370 million years ago during the Devonian Period. The articles listed below provide information about the characteristics, classification and evolution of amphibians.
  1. Caecilians (1)
  2. Frogs and Toads (6)
  3. Newts and Salamanders (1)

Amphibians
Amphibians arose from the first vertebrates to venture out of water and adapt to life on land. This profile explores basic facts about amphibians including how they are classified, what they eat, where they live and the characteristics that make them different from other animal groups.

Facts About Amphibians
Learn interesting facts about frogs and find out about their diversity, evolutionary history and the characteristics make them different from other amphibian groups.

Amphibian Pictures
Pictures of amphibians, including amphibian photos such as red-eyed tree frogs, axolotl, green tree frogs, California newts, leopard frogs and more.

Vertebrates Transition from Water to Land
During the Devonian Period, about 375 million years ago, a group of vertebrates clamoured their way out of the water and onto land.

Why Amphibians Are in Decline
In recent years, scientists and conservationists have been working to raise public awareness of a global decline in amphibian populations.

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