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Dogs bark, sheep bleat and mice squeak, but what sounds do giraffes make?

About 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.

Motion-triggered cameras helped to capture more than 320,000 photos of wild animals living in the Serengeti in Tanzania.

Male wolf spiders use "purring" vibrations to serenade their sweethearts, but this wooing only works if the females can feel these vibrations, new research finds.

The panther chameleon, admired for its color-changing abilities, is not a single species, as scientists long thought.

Even though bamboo is their main food source, giant pandas are horrible at digesting it, a new study of their gut bacteria finds.