An appendage of an organism used for manipulating their environment. It is distinct from a foot, and is located at the end on an arm.
In birds, it is the part of a bird's wing beyond the bend (wrist or carpus) that bears the primary feathers.
- ^ Terres, John K. (1980). The Audubon Society Encyclopedia of North American Birds. Alfred A. Knopf, Inc. ISBN 0394466519.
||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.