1254. Falco peregrinus

1254. Falco peregrinus.

The Peregrine Falcon.

Falco peregrinus, Tunstall, Ornith. Brit. p. 1 (1771) ; Blyth, Cat. p. 13: Horsf. & M. Cat. i, p. 10; Jerdon, Madr. Jour. L. S. x, p. 79; id B. I. i, p. 21; Blyth, Ibis, 1866, p. 234; Hume, Rough Notes, p. 49 ; Jerdon, Ibis, 1871, p. 237 ; Delme Radcliffe, ibid. p. 363; A. Anderson, P. Z. S 1871, p. 677; 1875, p. 18 : Hume, S. F.i, p. 151; ii, p. 140; iii, pp. 19, 442; iv, pp 279, 460; XJ p. 2; k Cat no. 8; Hume k Dav. S. F. vi, p. 1; Sadly, S. F.VUA, p. 221; ridal, & F. ix, p. 29 ; Butler, ibid. p. 3/0; Legge, Birds Ceyl. p. 101 j Biddulph, Ibis, 1881, p. 39; Scully, ibid p. 416; Gurney, Ibis,1882, p. 293; Hume & Dav. S. F. x, p. 333 ; Oates, B. B. ii, p. 214 ; Barnes, Birds Bom. p. 9. Falco communis, Gm. Syst. Nat. p. 270 (1788); Sharpe, Cat. B. M. i, p. 376; Ball, S. F. vii, p. 196. Falco calidus, Lath. Ind. Orn. i, p. 41 (1790); Blyth, Ibis, 1863, p. 7.

Bhyri, Bhyri bacha , H.; Bhyri dega, Tel.; Dega, Yerkli; Falcon , Tiercel , of British Falconers.

Coloration. Adult. Above bluish grey, darker on the head and nape, palo on the rump and upper tail-coverts; feathers of the head and nape, the scapulars, and sometimes other parts of the upper plumage dark-shafted, and all feathers except those of the head and hind-neck with dark cross-bands ; forehead whitish; a broad cheek-stripe from beneath the eye black; primaries blackish, the inner webs, except near the end, closely barred with white; secondaries ashy grey with darker cross-bands; tail dark grey or blackish, with numerous ashy-grey cross-bars, closer together and paler towards the base, extreme tip and borders near tip whitish ; lower parts white with a rufous tinge, a few brown or black spots on the lower breast and middle of the abdomen, and narrow dark bars on the flanks, lower wing-coverts, thigh-coverts, and under tail-coverts.

Young birds are very dark brown above, the feathers edged with rufous, the buff bases of the feathers showing about the nape ; the tail-feathers with about 6 transversely oval rufous spots on each web, forming imperfect cross-bars ; primaries as in adults ; cheek-stripe narrower; lower parts white, buff, or rufescent, spotted, except on the throat, with broad brown elongate median stripes, becoming broad spots on the flanks.

After the first moult Peregrines are brownish grey above and gradually acquire a pure slaty-grey back. The spots and bars on the lower parts are much broader at first and grow smaller and narrower with age, the drops on the breast become narrow lines and ultimately disappear altogether, the bands fade off the under tail-coverts, and in very old birds only small scattered specks remain on the abdomen and triangular markings on the thigh-coverts. The general tint of the lower surface varies from almost white to light rufous.

Bill bluish, black at tip; cere' yellow; irides brown; legs and feet yellow.

Length of a female about 19 ; tail 7.5; wing 14.5 ; tarsus 2.1; mid-toe without claw 2.25 ; bill from gape 1.3. Males are considerably smaller: length about 16 ; wing 12.5.

Distribution. Almost worldwide. The Peregrine is a winter visitor to Southern Asia, and is found in suitable places during the winter throughout India, Ceylon, and Burma, and even in the Laccadive and Andaman Islands.

Habits, &c. The Peregrine is seldom found far from water, and is most common on the sea-coast or near rivers and large swamps, doubtless from the abundance of its prey, which consists largely of ducks and waders; pigeons, partridges, &c, are also captured by the Peregrine. It is the largest and most powerful of Indian Falcons, and although it is not so much esteemed by Indian falconers as the next species, it is, or was formerly, trained in India to strike herons, storks, cranes, and even in some cases bustards. With one exception, observed by Layard near Jaffna in Ceylon, the Peregrine has not been recorded as breeding in India, accounts of its nesting in or near the Himalayas being doubtful. It generally lays 3 or 4 reddish eggs, speckled or blotched, in a stick nest on a cliff or sometimes on a tree.

* The mid-toe is always measured from the joint at the distal end of the tarsus to the base of the claw, not from the division between the toes.

BookTitle: 
The Fauna Of British India including Ceylon and Burma
Reference: 
Blanford, William Thomas, ed. The Fauna of British India: Including Ceylon and Burma. Vol.3 1895.
Title in Book: 
1254. Falco peregrinus
Book Author: 
William Thomas Blanford
CatNo: 
1254
Year: 
1895
Page No: 
413
Common name: 
Peregrine Falcon
M_ID: 
11367
M_CN: 
Peregrine Falcon
M_SN: 
Falco peregrinus
Volume: 
Vol. 3
Term name: 
id: 
1767

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