Male Emperor Penguins Incubate Eggs Through the Antarctic Winter
Each male balances a single egg on his feet and goes without food for about two months while temperatures can fall below minus 40 degrees.
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Wolves Howl to Communicate Across Long Distances
In open terrain a wolf's howl can carry up to about 10 miles. Packs use howls to gather members and to advertise their territory.
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Bowerbirds Decorate Elaborate Structures to Attract Mates
Male bowerbirds build and decorate bowers with colored objects. Females choose partners largely by the quality of the display.
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Elephants Show Unusual Interest in the Bones of Their Dead
Observers have recorded elephants pausing to touch and smell the skulls and tusks of their species, a behavior researchers often describe as mourning.
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Honeybees Share Food Locations Through a Waggle Dance
A forager's figure-eight dance encodes the direction and distance of flowers relative to the sun. Karl von Frisch won a Nobel Prize in 1973 for decoding it.