Cambridge Encyclopedia :: Cambridge Encyclopedia Vol. 32
 

gyrfalcon

The largest of all falcons (Falco rusticolus) (length 50–60 cm/20–24 in); native to Arctic regions; inhabits mountains and tundra; plumage white, grey, or dark; hunts close to ground; eats mainly ground-dwelling birds.

Portions of the summary below have been contributed by Wikipedia.
iGyrfalcon

Conservation status
gyrocompass [next] [back] gyre - Uses in literature

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