An evolutionary trick allows cuckoos to ‘mimic’ the plumage of birds of prey, and may be used to scare mothers from their nests — allowing cuckoos to lay eggs. Parasitism in cuckoos may be more much more widespread than previously thought.
An evolutionary trick allows cuckoos to ‘mimic’ the plumage of birds of prey, and may be used to scare mothers from their nests — allowing cuckoos to lay eggs. Parasitism in cuckoos may be more much more widespread than previously thought.