Birds imitate alarm calls of others to warn of hawks

ENN
Jun 3, 2015, 8:36 am23 pts
New research has found that the 6 gram brown thornbill mimics the hawk alarm calls of neighbouring species to scare a nest predator by convincing it that a much bigger and scarier predator - the brown goshawk - is on its way.Currawongs, which raid the nests and hunt the chicks of thornbills, are also prey to…

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