Birds and humans perceive colors differently, so scientists rely on instruments and genetics to accurately describe the diversity of avian color signals. Aa Aa Aa Evolutionary processes have generated ...

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 ...

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 ...