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Eye size likely plays a role in the contest between avian brood parasites — birds that lay their eggs in the nests of other species — and their hosts, who sometimes detect the foreign eggs and eject or abandon them, scientists report.
Eye size likely plays a role in the contest between avian brood parasites — birds that lay their eggs in the nests of other species — and their hosts, who sometimes detect the foreign eggs and eject or abandon them, scientists report.