Click on birds to find out what they are doing! Click here (1.4 MB, MP3 format) to hear an ancient CBC radio broadcast (Quirks and Quarks) describing my earier work on the ruff Since 1984, I have ...

COLUMN. A German team discovered that some males don't produce testosterone but instead breaks it down, making this bird a symbol of sexual diversity.

Markku Nikki (Finland) highlights the impressive jumps and flamboyant plumage that are part of the male ruff’s mating display ... This time, the fighting was quiet but intense. The birds’ rapid ...

Gray or "silver" birds have gray in place of brown in the tail. "Cinnamon" grouse have rust-colored feathers with a chestnut – rather than black – ruff and tail band. Males are known as ...