To someone watching birds casually, the cuckoo’s behaviour looks almost lazy. Instead of gathering twigs, lining a nest, and feeding its chicks, the cuckoo quietly slips its egg into another bird’s ...
A George Mason University (GMU) biologist proposed an alternate theory of how the common cuckoo bird mimics other birds’ egg ...
European cuckoos lay very different eggs depending on the host species. Genetic analyses have revealed how this adaptation is inherited without leading to speciation. Bright blue, white, greenish, ...
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