| | | Pollution Threatens Coastal Waters Healthy coastal marine ecosystems cannot exist without healthy coasts. Water that drains from the land into the sea carries with any ills that plague the landscape. Nitrogenous wastes such as... Read more | Saving the Bog Turtle The bog turtle, North America's smallest turtle species, is disappearing and conservationists are hoping to find out why. Bog turtle numbers have fallen dramatically during recent years and the decline... Read more | The Evolution of Cross River Gorillas Scientists estimate that 17,800 years ago a new subspecies of western gorilla was born. Known today as the Cross River gorilla, this subspecies is one of two subspecies of... Read more | Amphibians Amphibians are a group of backboned animals 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. | | | | Animals / Wildlife Ads | | | | More about Animals | | | | | | | | Sign up for more free newsletters on your favorite topics | | | | You are receiving this newsletter because you subscribed to the About Animals newsletter. If you wish to change your email address or unsubscribe, please click here. About respects your privacy: Our Privacy Policy Contact Information: 249 West 17th Street New York, NY, 10011 © 2011 About.com | | | | | Must Reads | | Advertisement | |
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