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Animals

Fossilized tracks suggest lizards were bipedal 110 million years ago.

Marcus Woo, Contributor

Skin infections have decimated bobcats in southern California. Now, researchers think rat poison may be to blame.

Nala Rogers, Staff Writer

Ingested bombardier beetles force toads to puke them out.

Marcus Woo, Contributor

Unique microscopic structures make the feathers so black they look like a hole in space around the colored patches.

Catherine Meyers, Editor

A 108-year-old museum specimen helps answer evolutionary questions about the extinct marsupial carnivore.

Kimberly Hickok, Contributor

When it comes to raising golden-headed lion tamarin babies, everyone cooperates -- especially the grown males.

Nala Rogers, Staff Writer

Using tools from many scientific disciplines, researchers gain detailed insights into how the many-eyed mollusk sees its watery home.

Catherine Meyers, Editor

Robotic bugs may someday help in search and rescue.

Marcus Woo, Contributor

Image of a small, extinct mammal, gliding off a tree branch, its white underside showing.

Mouse-sized mammal had gliding membranes and a unique inner ear.

Charles Q. Choi, Contributor

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