Sparrows’ song might help determine health of potential mates and compatibility

Complexity of a male bird’s song can help attract the most compatible mate, new research suggests. Researchers investigated whether song repertoire and complexity advertises the singer’s genetic dissimilarity to others in the population — something that could help a couple raise the most viable young. A male bird’s health influences how well it can learn […]

A Hermit Thrush’s song offers a note on its origin

Sing me a song and I’ll tell you where you come from—at least, that seems to be the case with Hermit Thrushes, according to a recent study. Researchers analyzed spectograms of Hermit Thrush songs, which revealed significant differences in song structures of three major populations—Northern, Western Mountain and Western Lowland thrushes. And it sounds like […]

Zebra finches’ courtship serenade preferences shaped by developmental exposure

During courtship, male zebra finches perform a longer and faster version of their usual songs in order to attract females—who, in turn, prefer the modified song during their search for a mate. Researchers investigated whether that preference in female zebra finches relied on being exposed to male birds’ songs early in life. It turns out that […]

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