Species fact sheet
Falco rusticolus | Linnaeus, 1758 | Family: Falconidae | Order: Falconiformes | Back |
Gyrfalcon | Gerfalke | Faucon gerfaut | Halcón gerifalte |
CMS |
Redlist 2000 (Criteria) |
CITES |
(Europe: SPEC 3 threat status V) |
Migration: partial | range extension, nomadising |
Many adults sedentary; juveniles generally more dispersive and move farthest S. Patterns complicated by cyclical food availability, which may cause irruptive movements, but some clear movements, e.g. white morph birds from Greenland to Iceland. Some move from North America to Siberia (see page 237). May winter around edge of sea ice or near open water (polynyas). Most birds winter N of 52 N; in North America has reached S to 35 N, in Aerasia c. 46 N.
Regions: East Asia, Europe, North America, North Asia, West & Central Asia |
Recommended link: http://www.hawk-conservancy.org/priors/gyr.htm |
Feedback: mail to Klaus Riede |
Explanatory notes | (Last update: 05.08.02 by E.Heuel) |