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Giraffes Caught Humming in the Midnight HourDogs bark, sheep bleat and mice squeak, but what sounds do giraffes make?
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No Tusks: Ancient Walrus Cousin Looked More Like a Sea LionAbout 10 million years ago, a distant cousin of the modern walrus snapped at fish as it swam near the shore of what is now modern Japan, a new study finds.
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Myth Debunked: Boa Constrictors Don't Suffocate Prey to Death -
Life on the Serengeti: Thousands of Wild Images Captured by Hidden Cameras -
Photos: Wild Animals of the SerengetiMotion-triggered cameras helped to capture more than 320,000 photos of wild animals living in the Serengeti in Tanzania.
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'Purring' Wolf Spiders Softly Serenade MatesMale wolf spiders use "purring" vibrations to serenade their sweethearts, but this wooing only works if the females can feel these vibrations, new research finds.
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Photos: 11 Colorful Chameleons of MadagascarThe panther chameleon, admired for its color-changing abilities, is not a single species, as scientists long thought.
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Colorful Find: Madagascar Chameleon Actually 11 Distinct Species -
Snake Ancestor Had Ankles and Toes
