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 ...

Estonia and Austria, two European countries, have named this species their national bird. George Grinnell played a huge role in early conservation. After he became editor of Forest and Stream magazine ...