The black-headed duck Heteronetta atricapilla, a little-known South American species, is the only obligate brood parasite whose chicks require no more parental care than incubation as eggs: within a ...

The Anatidae are the biological family of birds that includes ducks, geese and swans ... These are birds that are adapted through evolution for swimming, floating on the water surface, and ...

Jerry Coyne, a professor emeritus in the Department of Ecology and Evolution and the official “duck-master” of Botany Pond, spoke to the Maroon about the pond’s new inhabitants.

the appropriately named torrent duck is a striking example of evolution's adaptive power. Torrent ducks have evolved toward higher concentrations of myoglobin, a protein which helps to hold oxygen ...