| | 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. | Young Scientists Help With Elephant Study Think Elephants International, an organizaton that promotes elephant conservation through research and education, joined forces with 12-14 year old students at East Side Middle School in New York City to... Read more | Tracking Asian Great Bustards A recent study has revealed that the Asian subspecies of great bustard, one of the world's heaviest birds, migrates over 2,000 miles round-trip between its breeding grounds in northern Mongolia... Read more | Stressed Mother Squirrels Produce Hardier Offspring The more stressed a mother squirrel is, the stronger and more robust the offspring she produces are, a new study by researchers from the Univeristy of Guelph in Ontario reveals.... Read more | | | | Related Searches | | | | Featured Articles | | | | | | Sign up for more free newsletters on your favorite topics | | | | You are receiving this newsletter because you subscribed to the About.com Animals newsletter. If you wish to change your email address or unsubscribe, please click here. About.com respects your privacy: Our Privacy Policy Contact Information: 1500 Broadway, 6th Floor New York, NY, 10036 © 2012 About.com | | | | Must Reads | | | Follow me on: | | | | Advertisement | |
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