The undertail coverts together with the feathers in the vent region; sometimes contrastingly coloured, like in the D'Arnaud's Barbet . As an adjective, it is called crissal, the Crissal Thrasher is the only bird with this word in its name.
|This article is part of Project Glossary, a All Birds project that aims to write comprehensive articles on each term related to animals.|
|This article is part of Project Anatomy, a All Birds project that aims to write comprehensive articles on each anatomical term related to birds.|
Community content is available under CC-BY-SA unless otherwise noted.