Data from: Female zebra finches prefer the songs of males who quickly solve a novel foraging task to the songs of males unable to solve the task

Clara Howell, Rindy Anderson & Elizabeth Derryberry
Correlative evidence suggests that high problem-solving and foraging abilities in a mate are associated with direct fitness advantages, so it would benefit females to prefer problem-solving males. Recent work has also shown that females of several bird species who directly observe males prefer those that can solve a novel foraging task over those that cannot. In addition to or instead of direct observation of cognitive skills, many species utilize assessment signals when choosing a mate....
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