One of the ways we try to understand the origins of human intelligence is by looking at its equivalents elsewhere in the animal world. But doing so turns out to be more complicated than it might seem.

Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...

Some birds—including blue jays—are strong vocal learners that can mimic other birds and make lots of different sounds. Jocelyn Anderson via Wikimedia Commons under CC BY 3.0 Birds can make an array of ...

COLUMBUS, Ohio — Computers have a reputation for solving complex problems; pigeons not so much. However, a new study from researchers at Ohio State University suggests perhaps pigeons don’t get enough ...

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COLUMBUS, Ohio — Computers have a reputation for solving complex problems; pigeons not so much. However, a new study from researchers at Ohio State University suggests perhaps pigeons don’t get enough ...

Mountain chickadees (Poecile gambeli), a North American bird in the tit family, store away food for later occasions. These birds are found at different elevations where varying winter conditions are ...