After researching the Safran lab upon my arrival to CU, I became fascinated by their barn swallow research on sexual selection and hybridization. In fact, seeing the short video of their summer work ...

Hosts of brood parasites defend their nests against parasitism by aggression and subsequently, if parasitized, by rejection of the parasite egg or nestling. Cuckoos have evolved plumage mimicry with ...

It started with a question from a reader: "Do birds mourn?" He described a scene at the family cabin, where a pair of barn swallows had been nesting under the deck. Unfortunately, one of the pair was ...

Among humans, conventional wisdom is that women pick men based on more than just looks. Not so with the female barn swallow. She doesn't give a hoot about personality. Guys, take note: Male barn ...