Flight attitude of a bird when wings, and usually the tail, are fully spread. Used to gain altitude in rising air currents [1].
Reference[]
^Clark, William S.; Brian K. Wheeler (2011). Hawks of North America, 2nd Edition. Boston, MA: Houghton Mifflin Company. p. 12. ISBN0395670675.Cite uses deprecated parameter |coauthors= (help); |access-date= requires |url= (help)
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.