Life & Evolution

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frigatebirds

FREQUENT FLIER  Frigate birds, even juveniles like this one, can fly for months without stopping by riding air currents over the ocean.

banana fiddler crab

A male banana fiddler crab raises his large claw to try to lure a female to mate. A new study finds that some males take a more sinister approach to mating and trap females in their burrows.

Leonardo the duck-billed dino

MORE THAN BONES  A 77-million-year-old duck-billed dinosaur nicknamed Leonardo may have been infected with parasitic worms.

Life & Evolution

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