| | Petrels' Diet Signals Shift in Ocean Food Web The Hawaiian petrel, an endangered petrel endemic to the Hawaiian Islands, appears to have changed its feeding patterns dramatically in recent years. This trend was revealed in a recent study... Read more | British Butterfly Shuns Cold Summers Results from a recent long-term study have revealed that the silver-spotted skipper, a British butterfly species, suffers drastic population declines during cool summers. The silver-spotted skipper, which previously risked extinction... Read more | The Basic Carnivore Groups There are 249 species of carnivores alive today and these species are classify into seven groups including bears, cats, civets, raccoons, mustelids, canids and hyenas. This article explores the basic... Read more | 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. | | | | 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 © 2013 About.com | | | | Must Reads | | | Follow me on: | | | | Advertisement | |
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