| | Tiger Stronghold in Sumatra Despite widespread loss of forests and species, tiger numbers are holding strong in Sumatra, as demonstrated by a recent camera trap survey. The survey revealed that there are an estimated... Read more | Pangolins Pangolins (Manis) are a group of mammals that have larged, plate-like scales covering their body. These scales are made of keratin. When pangolins curl up into a ball, they tuck... Read more | Camera Traps Reveal Orangutan Behavior Photographs taken using camera traps have revealed that orangutans spend more time on the ground than previously thought. Since orangutans tend to stay up in the trees when humans are... 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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