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From the CORNELL LAB OF ORNITHOLOGY and the AMERICAN ORNITHOLOGISTS' UNION.

Sections

Gyrfalcon

Falco rusticolus

Order

FALCONIFORMES

– Family

FALCONIDAE

Issue No. 114 – Revised: October 27, 2008

Authors: Clum, Nancy J., and Tom J. Cade

Revisors: Booms, Travis L., and Tom J. Cade

Video Gallery

: Gray variant adult perched.

: Adult in flight, gray variant.

: Gray variant bird perched.

: Chicks at nest, about 14-18 days old

: Prey delivery to nest; nestlings 7-10 days before fledging