Males do not change plumage type or behavioral role during their lifetimes. A wonderful short video showing lekking and mating tactics of these ruffs is available at: Ruff courtship My co-workers and ...

The avian world is a treasure trove of fascinating and often bizarre mating rituals. Explore the different types of bird ...

Markku Nikki (Finland) highlights the impressive jumps and flamboyant plumage that are part of the male ruff’s mating display. Each spring, Markku documents the spectacle at a communal display ground ...

There are three types of males, known as morphs, that differ from one another in appearance and behavior. "Independents", which account for the vast majority, have darker plumage and energetically ...

It's been known for some time that some—but not all—female white-necked jacobin hummingbirds take on the brightly colored plumage worn by males. In a study published in Animal Behaviour ...