Warbler Fight Songs Follow Fashion While Love Songs Stick to a Few Classics

A team of researchers has found that chestnut-sided warblers possess two distinct cultural traditions in song variants that evolve independently -- one, used for territorial disputes that changes frequently, and another, used for romance that relies on a small unchanging sampling of classics. The findings suggest songbird culture is more complex than previously thought, the scientists say. The paper will be published in the journal The American Naturalist.

Lees meer: ScienceDaily