Igic, Branislav; McLachlan, Jessica; Lehtinen, Inkeri; Magrath, Robert D
Animals often mimic dangerous or toxic species to deter predators; however, mimicry of such species may not always be possible and mimicry of benign species seems unlikely to confer anti-predator benefits. We reveal a system in which a bird mimics the alarm calls of harmless species to fool a predator 40 times its size and protect its offspring against attack. Our experiments revealed that brown thornbills (Acanthiza pusilla) mimic a chorus of other species’ aerial alarm calls, a cue of an...[Show more]
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