An international team of ornithologists has overturned one of the oldest assumptions in natural history by directly ...

Daurian redstarts move closer to humans to protect their nests from brood parasitism. Daurian redstarts move their nesting sites closer to or even inside human settlements when cuckoos are around. In ...

Reed warblers live with the threat that a cuckoo bird will infiltrate their nest, remove one of their eggs, and replace it with the cuckoo's own. This 'parasitism' enables the cuckoo to have its young ...

Daurian redstarts move their nesting sites closer to or even inside human settlements when cuckoos are around. In doing so, they actively protect their nest against brood parasitism, as cuckoos avoid ...