Color Key to North American Birds Part 38
You’re reading novel Color Key to North American Birds Part 38 online at LightNovelFree.com. Please use the follow button to get notification about the latest chapter next time when you visit LightNovelFree.com. Use F11 button to read novel in full-screen(PC only). Drop by anytime you want to read free – fast – latest novel. It’s great if you could leave a comment, share your opinion about the new chapters, new novel with others on the internet. We’ll do our best to bring you the finest, latest novel everyday. Enjoy!
[Ill.u.s.tration: 347a.]
=347a. American Rough-legged Hawk= (_Archibuteo lagopus sancti-johannis_). B. .7 deep, _smaller_ than in No. 348. L. [Male], 21; [Female], 23. Legs feathered to the toes. _Ads._ Basal half of tail white, end half barred with black; belly with more or less black.
_Yng._ No black bars on end half of tail; buffier below, more black on belly. Black phase. Black more or less varied with brown and rusty as it approaches light plumage of ad. or yng; but to be known by feathered legs.
Range.--North America; breeds north of United States; winters south to Virginia, Missouri and central California.
[Ill.u.s.tration: 348.]
=348. Ferruginous Rough-Leg= (_Archibuteo ferrugineus_). B. 1. deep, larger than in No. 347a; L. [Male], 22; [Female], 24. Legs feathered to toes. _Ads._ Above rich rusty streaked with black; legs rusty barred with black; tail grayish sometimes washed with rusty. _Yng._ Above blackish brown margined with rusty; below white; breast with a few streaks; legs _spotted_; tail with inner webs and base white; outer webs grayish. Dark phase. Sooty brown more or less varied with rusty; _tail as in ad_.
Range.--"Western North America from the Plains (east North Dakota to Texas), west to the Pacific and from the Saskatchewan region south into Mexico; casually east to Illinois. Breeds from Utah, Colorado and Kansas north to the Saskatchewan Plains." (A.O.U.)
[Ill.u.s.tration: 355.]
=355. Prairie Falcon= (_Falco mexica.n.u.s_). L. [Male], 17; [Female], 20. A blackish patch on the sides. _Ad._ [Male]. Above including middle tail feathers, grayish brown; back with more or less concealed buffy bars. _Ad._ [Female]. No buffy bars on back. _Yng._ Above margined with rusty and whitish; head much as in ad. _Notes._ _Kee_, _kee_, _kee_ and a sort of cackle. (Bendire.)
Range.--"United States from the eastern border of the Plains to the Pacific and from the Dakotas south into Mexico; casual east to Illinois. Breeds throughout its United States range." (A.O.U.)
Eagles and Gyrfalcons
[Ill.u.s.tration: 349.]
=349. Golden Eagle= (_Aquila chrysaetos_). L. [Male], 30-35; [Female], 35-40; Ex. [Male], 78-84; [Female], 84-90. (Ridgw.) Legs feathered to toes. _Ads._ Back of head and nape paler than body; basal two-thirds of tail white. _Yng._ Base of tail with broken grayish bars. _Notes._ A shrill, _kee-kee-kee_, and, when alarmed, _kiah-kiah_ repeated a number of times. (Bendire.)
Range--Northern parts of northern hemisphere; in America south into Mexico; rare east of Mississippi, more common in Rocky Mountains and mountains of Pacific coast.
[Ill.u.s.tration: 352.]
=352. Bald Eagle= (_Haliaeetus leucocephalus_). L. [Male], 33; [Female] 35; Ex. [Male], 84; [Female], 89. Legs _not_ feathered to toes. _Ads._ Head, neck and tail white. _Yng._ Head and body blackish, more or less varied with white; tail blackish mottled with white.
_Notes._ Of the male, a loud, clear _cac cac-cac_; of the female harsh and broken. (Ralph.)
Range.--North America breeding locally throughout its range, more frequently near the Atlantic coast; resident in United States.
=352a. Alaska Bald Eagle= (_H. l. alasca.n.u.s_). Similar to No. 352, but larger. W. [Male], 23.8; [Female], 24.6; T. [Male], 11.5; [Female], 12; Tar. [Male], 4.1; [Female], 3.7. (Townsend.)
Range.--Alaska.
[Ill.u.s.tration: 353.]
=353. White Gyrfalcon= (_Falco islandus_). L. [Male], 22; [Female], 24. Tarsus feathered in front nearly to toes; only outer primary notched. Under tail coverts _pure_ white. _Ads._ Below white with few or no black markings. _Yng._ Dark areas above larger, below with elongate blackish spots.
Range.--Arctic regions, in America south in winter casually to Maine.
=354. Gray Gyrfalcon= (_Falco rusticolus_). L. [Male], 22; [Female], 24. Tarsus feathered in front nearly to toes; only outer primary notched. Under tail coverts _with_ dusky margins. _Ads._ Crown usually more white than dusky; above _barred_ with blackish and grayish; below white, breast streaked; sides and legs barred with dusky. _Yng._ Above dark brown with broken buffy bars and margins: tail with white and brown bars of nearly equal width, below white everywhere streaked with blackish.
Range.--Arctic regions; south in winter to the northern border of the United States; casually as far as Kansas and Maine.
=354a. Gyrfalcon= (_F. r. gyrfalco_). Similar to No. 354, but head usually with more dusky than white; back in ad. indistinctly barred with grayish. _Yng._ With dark stripes of lower parts usually about equal in width to white inters.p.a.ces.
Range.--"Northern Europe and Arctic America, from northern Labrador and coasts of Hudson Bay to Alaska" (Ridgw.); south in winter casually, to northern border of United States as far as Long Island.
[Ill.u.s.tration: 354b.]
=354b. Black Gyrfalcon= (_F. r. obsoletus_). Similar to No. 354, but much darker; above plain dusky with few or no buffy markings; below dusky margined with buffy, the former prevailing. _Notes._ A chattering _ke-a_, _ke-a_, _ke-a_, blending into a rattling scream.
(Turner.)
Range.--Labrador: south in winter to northern New England; casually to Long Island.
Hawks
[Ill.u.s.tration: 356.]
=356. Duck Hawk= (_Falco peregrinus anatum_). L. [Male], 16; [Female], 19. Sides of throat black. _Ads._ Above bluish slate; below buffy.
_Yng._ Above blackish margined with rusty; tail with broken rusty bars and whitish tip; below _deep_ rusty buff streaked with blackish; under surface of wing uniformly barred. _Notes._ Loud screams and noisy cacklings. (Bendire.)
Range.--Western Hemisphere; breeds locally from Southern States to Arctic regions; winters from Northern States southward; more common west of Rocky Mountains.
=356a. Peale Falcon= (_F. p. pealei_). _Ads._ Crown uniform with back; chest heavily spotted with blackish; bars of remaining underparts very broad. (Ridgw.)
Range.--"Pacific coast region of North America from Oregon to the Aleutian and Commander Islands, breeding throughout its range." (A. O.
U.)
[Ill.u.s.tration: 357.]
=357. Pigeon Hawk= (_Falco columbarius_). L. [Male], 10.5; [Female], 13. Two outer primaries notched. _Ad._ [Male]. Above slaty blue; middle tail feather with not more than _four_ black bands. _Ad._ [Female] and _Yng._ Above dark blackish brown; bars in middle tail feather five or less; below more heavily barred than in [Male].
Range.--North America; breeds chiefly north of United States from Rocky Mountains and westward; breeds from Colorado and California north to Alaska; winters from Gulf States, Colorado and California, south to northern South America.
=357a. Black Merlin= (_F. c. suckleyi_). Similar to No. 357, but much darker above and more heavily, marked below; bars on tail and under side of wing nearly obsolete.
Range.--Pacific coast from northern California to Sitka; east to eastern Oregon and Was.h.i.+ngton.
[Ill.u.s.tration: 358.]
=358. Richardson Merlin= (_Falco richardsonii_). Resembles No. 357, but is paler and has the central tail feather crossed by six light bars, counting the terminal one.
Range.--Interior of North America from eastern border of Great Plains west; rare west of Rockies; north to, at least, lat.i.tude 53; south to Mexico.
[Ill.u.s.tration: 359.]
=359. Aplomado Falcon= (_Falco fusco-caerulescens_). L. [Male], 16; [Female], 17.5. Middle of belly black. _Ads._ Above slaty gray; breast buff, lower belly rusty. _Yng._ Similar but grayish brown above, belly paler.
Color Key to North American Birds Part 38
You're reading novel Color Key to North American Birds Part 38 online at LightNovelFree.com. You can use the follow function to bookmark your favorite novel ( Only for registered users ). If you find any errors ( broken links, can't load photos, etc.. ), Please let us know so we can fix it as soon as possible. And when you start a conversation or debate about a certain topic with other people, please do not offend them just because you don't like their opinions.
Color Key to North American Birds Part 38 summary
You're reading Color Key to North American Birds Part 38. This novel has been translated by Updating. Author: Frank M. Chapman already has 612 views.
It's great if you read and follow any novel on our website. We promise you that we'll bring you the latest, hottest novel everyday and FREE.
LightNovelFree.com is a most smartest website for reading novel online, it can automatic resize images to fit your pc screen, even on your mobile. Experience now by using your smartphone and access to LightNovelFree.com