Decision-making at the time of parasitism: cowbirds prefer to peck eggs with weaker shells.
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DOI: 10.1007/s10071-021-01549-6
Abstract: Interspecific avian brood parasites, like cuckoos and cowbirds, lay their eggs in nests of other species, the hosts, which take over the entire parental care of the parasite's eggs and chicks. This breeding strategy requires… read more here.
Keywords: strength; time parasitism; time; making time ... See more keywords