Unlike many birds that establish permanent territories ... which unwittingly raise the cuckoo's chicks as their own. The cuckoo's eggs mimic the appearance of the host's eggs, reducing the ...

When the cuckoo chick hatches, it ejects other eggs or hatchlings ... a retired photo editor who’s an avid wildlife photographer, observed the birds’ behavior in 2014 in Amsterdam, where ...

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The cuckoo is a visually striking bird whose long tail has flashy white markings. It is one of few species that can eat spiny caterpillars, such as tent caterpillars, which adults and their chicks ...