The sounds of pleasant, relaxed bird chatter made eastern grey squirrels resume foraging more quickly after hearing the sounds of a predator, researchers found.
Mike Kemp/In Pictures via Getty Images
A common guillemot (Uria aalge) brings a sprat to feed to its chick. The laying dates of this species were followed for 19 consecutive years on the Isle of May, off the coast of southeast Scotland. According to a new paper in Nature Communications, many birds are adapting to climate change — but probably not fast enough.
Michael P. Harris
In this May 13 photo provided by the National Park Service, this female California condor spreads her wings. Biologists have confirmed that she laid an egg that has hatched and there is a new baby condor at Zion National Park.
National Park Service/AP
Axel Hirschfeld looks at the remains of dead birds while holding a Levant sparrowhawk. The bird was found locked in a small enclosure without food or water in a field used by poachers in the town of Ras Baalbek, Lebanon, in September.
Sam Tarling for NPR
This turkey seemed to be in a fowl mood in 1987 when President Ronald Reagan used the word "pardon" for the first time in reference to sparing a Thanksgiving turkey.
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