Plate LXXII. Male.
Head, neck all round, and lower parts white; back, wings, and tail
black, glossed with blue and purple; feet light blue, tinged with
green; claws flesh-coloured.
_Male_, 22, 47. _Female_, 25, 51-1/2.
From Texas to North Carolina. Rather abundant. Up the Mississippi and
Ohio to Louisville. Accidental in Pennsylvania. Migratory.
Swallow-tailed Hawk, Falco furcatus, Wils. Amer. Orn. v. vi.
p. 70.
Falco furcatus, Bonap. Syn. p. 31.
Swallow-tailed Hawk, Falco furcatus, Aud. Orn. Biog. v. i. p.
368. v. v. p. 371.
GENUS IX. FALCO, Linn. FALCON.
Bill short, robust; its upper outline decurved from the base; cere
short, bare; edge of upper mandible with a festoon and a prominent
angular process. Nostrils round, with an internal ridge, ending in a
central tubercle. Feet strong; tarsi moderate, reticulate; toes long,
broadly scutellate, the anterior webbed at the base; claws long, well
curved, very acute. Wings long, pointed; second quill longest, first
and third nearly equal; outer toe abruptly cut out on the inner web.
Tail rather long, nearly even.
19. 1. Falco Islandicus, Lath. Iceland or Jer Falcon--Gyr Falcon.
Labrador Falcon.
Plate CCCLXVI. Adult Female. Plate CXCVI. Young Male and
Female.
Tooth-like process of the bill generally obsolete in old, festoon
slight in young birds; tail from three to four inches longer than the
wings. Adult white, with slate-grey sagittate spots above, the bill
pale blue, the cere and feet yellow. Younger birds light grey, the
feathers white on the edges; the bill and cere light blue, the feet
greyish-blue. Young brownish-grey above, the feathers margined and
spotted with reddish-white, the lower parts yellowish-white,
longitudinally streaked with dusky.
_Male_, 22-1/2, 49. _Female_, 23-1/2, 51-1/4.
Breeds in the extreme north, and in Labrador. In winter, migrates
southward as far as Maine.
Falco Islandicus, Jer Falcon, Rich. & Swains. F. Bor. Amer. v.
ii. p. 27.
Gyr Falcon, Falco Islandicus, Nutt. Man. v. i. p. 51.
Iceland or Jer Falcon, Falco Islandicus, Aud. Orn. Biog. v.
iv. p. 466. Adult Female.
Iceland or Jer Falcon, Falco Islandicus, Aud. Orn. Biog. v.
ii. p. 552. Young Male and Female.
20. 2. Falco peregrinus, Gmel. Peregrine Falcon.--Large-footed Hawk.
Duck Hawk. Wandering Falcon.
Plate XVI. Adult Male and Female.
Wings, when closed, of nearly the same length as the tail. Adult male
with the upper parts greyish-black, excepting the head and hind neck
barred with light greyish-blue, lower parts white, the breast and
sides transversely spotted with black. Female with the upper parts
darker than those of the male, the lower yellowish or reddish-white,
with larger dusky spots on the breast and sides, and oblong streaks on
the neck. Young blackish-brown above, the breast of the male
yellowish-white, of the female pale yellowish-red, with broad
longitudinal dusky streaks. In all stages, a large mystachial patch,
black in adult, brown in young birds.
_Male_, 16-1/2, 30. _Female_, 19-1/2, 36.
Breeds in the northern parts, visiting the southern and western in
winter as far as Texas.
Great-footed Hawk, Wils. Amer. Orn. v. ix. p. 120.
Falco peregrinus, Bonap. Synops. p. 27.
Common or Wandering Falcon, Falco peregrinus, Nuttall, Man. v.
i. p. 53.
Great-footed Hawk, Falco peregrinus, Aud. Amer. Orn. v. i. p.
85; v. v. p. 365.
Falco peregrinus, Peregrine Falcon, Swains. & Rich. F. Bor.
Amer. v. ii. p. 23.