In one of the more notorious dick-moves of the animal kingdom, parasitic cuckoo birds lay their eggs in the nests of other birds, forcing them to raise the cuckoo chicks as if they were their own. New ...

Does a cuckoo know it's a cuckoo? The answer is more difficult than you might think, explains Richard Pallardy ...

SAINT CLAIR — Frank Buffalino loves cuckoo clocks, but he concedes having 50 tiny wooden birds going off at once is a bit much. “We used to have all our clocks set to the same time,” he recalled, “but ...

Nest building is costly. It requires time, energy, and constant defence from predators. For birds that raise their own young, this investment makes sense because it ensures survival of their chicks.

The yellow-billed cuckoo, often called the “rain crow” for its habit of singing right before storms, breeds in streamside gallery forests of cottonwood and willow that once thrived along nearly every ...