5 edition of The Mountain White-Crowned Sparrow found in the catalog.
The Mountain White-Crowned Sparrow
Martin L. Morton
by Cooper Ornithological Society
Written in English
|The Physical Object|
|Number of Pages||236|
The White-crowned Sparrow is a distinctive bird with bold black and white stripes on its head. It has a clear, gray breast and belly, long tail, and wings distinctly marked with two white wing-bars. The beak is orange-yellow to reddish-brown depending on the subspecies. The major paper on identification of subspecies of White-crowned Sparrow, aimed at birders, is Dunn, Garrett & Alderfer (). They dealt not only with the three subspecies that reach coastal California, but also the two additional 'black-lored' subspecies from back East and in the western mountains.
Bird of the Month: White-crowned sparrow. White-crowns are a large sparrow with a long tail. They are easy to identify with the crisp black-and-white crown stripes of the adults and their pink or Author: Carmel Ruiz-Hilton. Ornithologists divide the White-crowned Sparrow into 5 populations. Each has a slightly different range, plumage, and song. It is a bit complicated, but in the Pacific Northwest the birds breeding in the Rocky Mountains and mountains in the Great Basin are the "Mountain White-crowned Sparrow.".
The White-crowned Sparrow (Zonotrichia leucophrys), one of our largest and classiest-looking sparrow, can be separated into five subspecies: Eastern (Z. l. leucophrys), Gambel’s (Z. l. gambelii), Mountain (Z. l. oriantha), Nuttal’s (Z. l. nuttalli), and Puget Sound (Z. l. pugetensis). If you are following along in your Sibley Guide, he only. Mountain White-crowned Sparrow (Zonotrichia leucophrys oriantha) Nuttall’s White-crowned Sparrow (Zonotrichia leucophrys nuttalli) White-crowned Sparrows are common in western Oregon. Adults have black and white head stripes. Fledglings are brown and streaky, and soon thereafter, immature birds look similar to adults but have tan and.
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Map showing band recoveries of White-crowned Sparrows to or from eastern Canada. From the Canadian Atlas of Bird Banding. The Mountain West subspecies Z. oriantha (which has dark lores like Eastern leucophrys) is assumed to account for the dark-lored birds wintering in west Texas, but it seems likely that at least some leucophrys are mixed in there.
In most parts of the West, the smartly patterned White-crown is very common at one season or another: summering in the mountains and the north, wintering in the southwestern lowlands, present all year along the coast.
Winter birds usually live in flocks, rummaging on the ground near brushy thickets, perching in the tops of bushes when a birder approaches too closely. Reproductive cycle and nesting success of the mountain white-crowned sparrow (Zonotrichia leucophrys oriantha) in the central Sierra Nevada.
Condor Powder River Eagle Studies, Gillette, WY.,Big Sky Mine wildlife monitoring studies. The white-crowned sparrow (Zonotrichia leucophrys) is a species of passerine bird native to North America.A medium-sized member of the American sparrow family, this species is marked by a grey face and black and white streaking on the upper head.
It breeds in brushy areas in the taiga and tundra of the northernmost parts of the continent and in the Rocky Mountains and Pacific : Aves. → Last Updated on August 2, White-crowned Sparrow Zonotrichia leucophrys [toc=”2″ title=”On this Page”] Geographic Variation Five subspecies, four illustrated in the Sibley Guide: Eastern Taiga (Eastern) Z.
leucophrys ((Nomenclature: It has been argued that the type specimen of Z. leucophrys (now lost) came from a population on Hudson Bay that is White-crowned Sparrow. There are five recognized subspecies that differ in annual cycle and migratory behavior. Nuttall’s white-crowned sparrow (Zonotrichia leucophrys nuttalli) is sedentary and spends the entire year within a few hundred meters of the ocean along the central California mountain, Z.
oriantha, and Puget Sound, Z. pugetensis, subspecies are intermediate-distance migrants. The white-crowned sparrow is divided into 3 well-defined subspecies groups: "dark-lored" (Rocky Mountain oriantha and eastern leucophrys), "pacific" (northern pugetensis and southern nuttalli.
White-crowned Sparrows appear each winter over much of North America to grace our gardens and favorite trails (they live in parts of the West year-round). The smart black-and-white head, pale beak, and crisp gray breast combine for a dashing look – and make it one of the surest sparrow identifications in North America.
Watch for flocks of these sparrows scurrying through brushy borders and. Additional Physical Format: Online version: Morton, Martin L., Mountain white-crowned sparrow. Camarillo, CA: Cooper Ornithological Society, © The lores are dark in the White-crowned Sparrow.
In both species, the light head stripes may be either white or tan. Birds of either species in their first-winter plumage (the plumage that replaces the juvenile plumage in the fall of the first year) show tan stripes.
Adult White-crowned Sparrows always have white stripes on their : Herb Wilson. The book described 2 of the five subspecies of the White-crowned Sparrow; "Gamble's" (Gambeli) and the "Mountain" (Orianthi). It's black and white and it's all about the details. The Mountain White-Crowned Sparrow: Migration and Reproduction at High Altitude (Studies in Avian Biology, No.
24) [Martin L. Morton.] on *FREE* shipping on qualifying offers. The Mountain White-Crowned Sparrow: Migration and Reproduction at High Altitude (Studies in Avian Biology, No. 24)Author: Martin L. Morton. White-crowned Sparrow twitter email print Easily identifiable by its much lighter coloring and white on black head stripes, the White-crowned Sparrow is found year round in the the Rocky Mountains and throughout North America during different parts of the year.
MOUNTAIN WHITE-CROWNED SPARROWS IN CALIFORNIA By BARBARA B. DEWOLFE and ROBERT H. DEWOLFE In the summer of we travelled through the high Sierra Nevada and the south- ern Cascades Range to observe White-crowned Sparrows of the mountain race, Zono- trichia leucophrys oriantha, on their nesting grounds and to check their presence in.
I'm playing the call of the white-crowned sparrow on a speaker behind me and attracted a male (I assume) who is desperately searching for a piece of food to present to the prospective mate. The White-crowned Sparrow’s breeding, habitat and seasonal migration patterns occur in different regions of North America, as far north as Newfoundland and British Columbia, southward to Mexico, west toward the mountainous region, and the east coast (New Jersey to North Carolina); and while they are uncommon migrants to Pennsylvania, they are.
Excerpts From The Book Submit a Latilong Change Latilong Distribution Maps Species Maps Waterfowl Emperor Goose Mountain Quail California Quail Gambel’s Quail Chukar Gray Partridge Ring-necked Pheasant American Tree Sparrow Dark-eyed Junco White-crowned Sparrow Golden-crowned Sparrow Harris’s Sparrow White-throated Sparrow Sagebrush.
White-crowned Sparrow: Medium-sized sparrow with brown-streaked upperparts, small white throat patch, and plain gray underparts. The white crown has distinct black lines.
Wings are brown with two pale bars. Short flights, alternates rapid wing beats with brief periods of the wings pulled to sides. The northern, northwestern, and mountain subspecies of White-crowned Sparrows have slightly different head patterns and songs. Song dialects vary locally as well.
In the Arctic, where the sun does not set during the breeding season, these sparrows sing all night long; however, White-crowns farther south, in the Pacific Northwest, also sing. White-crowned Sparrow - Squamish River Estuary - Best viewed at p resolution. White-crowned Sparrows nest either low in bushes or on the ground.
The nest is typically situated under shrubs. The average clutch consists of 3 - 5 brown-marked grey or greenish-blue eggs. Calls / Vocalization. The call of the White-crowned Sparrow has many variations.White-crowned Sparrow, Gambel's Sparrow, Nuttall's Sparrow, Puget Sound Sparrow, Intermediate Crown Sparrow, Western White-crowned Finch, White-crown Scientific Name(s): Zonotrichia leucophrys.Sound Gallery - White-crowned Sparrow.
White-crowned Sparrow at Golden Gate National Recreation Area. NPS Photo. White-crowned Sparrow. Sound recording of white-crowned sparrow, Grand Teton National Park, Wyoming. Duration: 20 seconds.