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The largest study of flight costs in the wild finds that riding the air can make flying cheaper than swimming, overturning a textbook ranking more

Mothers of the most solitary great ape plan and structure playdates, even when it comes at a cost more

How much knowledge a wild orangutan acquires over its long development depends on its tendencies for learning socially and individually more

Experience determines when the birds leave their home range more

Wild fish reveal how cognition evolved in two closely related species more

The early career researcher will lead a group within the Minerva Fast Track program studying the evolution of primate culture and social behavior more

Gunnar Hartmann has won this year’s #ScientistAtWork photo competition run by the journal Nature with a photograph of the bald ibis project more