GYRFALCONS
Noun
gyrfalcons
plural of gyrfalcon
Source: Wiktionary
GYRFALCON
Gyr"fal`con, n. Etym: [OE. gerfaucon, OF. gerfaucon, LL. gyrofalco,
perh. fr. L. gyrus circle + falco falcon, and named from its circling
flight; or cf. E. gier-eagle. See Gyre, n., Falcon.] (Zoöl.)
Definition: One of several species and varieties of large Arctic falcons,
esp. Falco rusticolus and the white species F. Islandicus, both of
which are circumpolar. The black and the gray are varieties of the
former. See Illust. of Accipiter. [Written also gerfalcon,
gierfalcon, and jerfalcon.]
Source: Webster’s Unabridged Dictionary 1913 Edition