A species in which some populations migrate while others are sedentary. The situation is common in birds with a wide distribution, because the different populations often experience very different climatic conditions[1].
References[]
^Frances, Peter; et al. (2007). Bird: The Definitive Visual Guide. Dorling Kindersley Inc. ISBN1564582957. CS1 maint: Explicit use of et al. (link)
This article is part of Project Glossary, an All Birds project that aims to write comprehensive articles on each term related to animals.
This article is part of Project Bird Behaviour, a All Birds project that aims to write comprehensive articles on each behavioural term related to birds.