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The woodpecker finches of the Galápagos, textbook examples of birds that use tools, pick up their considerable skills without copying each other.
Young birds that have never migrated before may take a cue from the magnetic field to fatten up before trying to fly over the Sahara.
Scientists in South Africa have found the first known examples of gerbils pollinating a flower.
A subspecies of one of New Guinea's poisonous pitohui birds may be mimicking a toxic neighbor, according to a new genetic analysis.
With the snap of a claw, a pinkie-size ocean shrimp generates a collapsing air bubble that's hot enough to emit faint light.
Meerkat pups growing up in large, cooperative groups are heftier because there are more adults to entreat for food.
A series of staged conflicts reveals the first known acoustic duels in caterpillars.
Hungry chicks cheeping in their nest have inspired a whole branch of scientific inquiry.
Who says cats aren't social? And other musings from scientists who study cats in groups.
A right whale may weigh some 70 tons, but unlike other marine mammals studied so far, it tends to float rather than sink at great depths.
An as-yet-unnamed species of octopus seems to be protecting itself by impersonating venomous animals from sea snakes to flatfish.
Pileated woodpeckers destroy in an afternoon the nesting cavities that take endangered red-cockaded woodpeckers 6 years to excavate.
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