Fraternal singing in zebra finches

The song of songbirds is usually transmitted from one generation to the next by imitation learning and is thought to be similar to the acquisition of human speech. Although song is often learnt from an adult model, there is some evidence of active vocal learning among siblings. Researchers from the Max Planck Institute for Ornithology in Seewiesen now showed that juvenile zebra finches that have been raised without their fathers are able to learn their song via a brother that for a short period had been exposed to the father's' song.

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