By fluttering its wings, this bird uses body language to tell its mate ‘after you’

Be it an arched eyebrow, a shaken head or a raised finger, humans wordlessly communicate complex ideas through gestures every day. This ability is rare in the animal kingdom, having been observed only in primates (SN: 8/10/10). Scientists now might be able to add a feathered friend to the club.

Researchers have observed Japanese tits making what they call an “after you” gesture: A bird flutters its wings, cuing its mate to enter the nest first. The finding, reported in the March 25 Current Biology, “shows that Japanese tits not only use wing fluttering as a symbolic gesture, but also in a complex social context involving a sender, receiver

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