Cuckoos sneak their eggs into other birds’ nests and copy egg colors to avoid detection. This study explains how they adjust to many hosts.

Cuckoos – which lay their eggs in nests of other birds – have higher speciation rates when they lay their eggs in a broader range of host bird species’ nests, a new study reports. This higher ...

Birds exhibit a wide variety of fascinating nesting and offspring-rearing behaviors throughout their lifecycle. Against the ...

Naomi Langmore receives funding from the Australian National University and the Australian Research Council. Alicia Grealy received funding from the Centre for Biodiversity Analysis (CBA). Clare ...

Three burgundy speckled eggs are in a bird's nest - Kdp/Getty Images No matter how many birdhouses you hang around your yard, birds will make a nest anywhere they feel safe. In your trees or bushes?

The problem of the cuckoo was a step nearer solution last week, with the publication of Cuckoo Problems (H.F. & G. Witherby, Ltd., London), an authoritative treatise on the somewhat wayward habits of ...

If you live in a city or suburb, it can be hard to feel connected to nature. But next time you step outside, pause, look and listen — even in the most densely populated areas, birds are almost ...