Due to the wonders of sexual selection, in the bird world bright colours are almost exclusively worn by the blokes.
While female birds can benefit from less flashy feathers – for example camouflage when hiding from predators and incubating eggs – the key driver of the males’ more vibrant wardrobe is attracting a mate, danger be damned.
However, new research suggests that among certain species, these differences between male and female birds’ plumage can mark out the females for unwanted attention from aggressive males.
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