In a cavity nest in the countryside of southwestern England, a young jackdaw chick less than a month old sits still in the darkness. Suddenly its head is above its shoulders, eyes wide, frozen in ...

Birds don’t merely chirp to sing songs that sound pretty to the human ear; they chirp to communicate with each other. For some species, like the Eurasian jackdaw, their sounds are used to warn each ...

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Jackdaw chicks learn about predators by listening to adults, reveals new research. Scientists played recordings of predator calls to chicks in their nests – and paired the sounds with either adult ...