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Neural basis for parasitic cowbird's secret password identified by researchers


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If you are raised by other species, then how do you know who you are? Although heterospecific foster parents rear brood parasitic brown-headed cowbird chicks, juvenile cowbirds readily recognize and affiliate with other cowbirds. That's because they have a secret handshake or password. Specifically, the "password" hypothesis helps explain this paradox of species recognition: Social recognition processes in brood parasites are initiated by exposure to a password: in the case of cowbirds, a specific chatter call.kG4SqiO0Ee8

 

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