Figure 1: Eggs laid by hosts of the brood parasitic common cuckoo. Thus, SIFT evaluates patterns in a way that is neurobiologically plausible, not just for primates but also for birds, providing a ...

European cuckoos lay very different eggs depending on the host species. Genetic analyses have revealed how this adaptation is inherited without leading to speciation. Subscribe to our newsletter for ...

Spot the impostor: A cuckoo finch chick (left) and a tawny-flanked prinia chick (right) open their beaks for a meal. Photo by Claire Spottiswoode Few examples of parasites in nature are as infamous as ...

For some birds, recognizing their own eggs can be a matter of life or death. In a new study, scientists have shown that many birds affected by the parasitic Common Cuckoo -- which lays its lethal ...