By DK Publishing
Masking 580 species present in the us and Canada west of the one centesimal Meridian, the American Museum of usual historical past Birds of North the USA Western Region is the single consultant to exploit a completely built-in photographic method of profile the extreme variety of birds more often than not noticeable west around the nice Plains and West Coast.
Ideal for birdwatchers and chicken fanatics of all ages, and together with details on habit, nesting, and habitat, the American Museum of usual historical past Birds of North the USA Western Region contains exact sections on species discovered merely within the Southwest and for species which are unusual or fairly constrained in distribution.
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Additional info for American Museum of Natural History Birds of North America: Western Region
Frontalis) makes up the largest population, breeding in extreme northwestern Canada and Alaska. The “tule” (A. a. gambeli), while the larger, occurs in smaller numbers, and is restricted in range to north-central Canada. VOICE Laugh-like klow-yo or klew-yo-yo; very musical in a flock. NESTING Bowl-shaped nest made of plant material, lined with down, constructed near water; 3–7 eggs; 1 brood; May–August. FEEDING Eats sedges, grasses, berries, and plants on both land and water in summer; feeds on grasses, seeds, and grains in winter.
VOICE Clear, high-pitched yodelling whoo-hooo calls mixed with garbles, yelping, and barking sounds. NESTING Mound-shaped nest made of plant matter near water; 3–6 eggs; 1 brood; May–September. FEEDING Eats aquatic vegetation, insects, mollusks; also grain. FLIGHT: flight pattern like that of other swans but with slightly faster wing beats. WINTER FLOCKS Its size, white plumage, and flocking habits make the Tundra Swan a conspicuous species. 422 pointed tail Nests around lakes and pools in northern tundra from the Aleutians to the Yukon, and east to northwest Québec.
During courtship displays, which are most often performed in trees, the male Sooty Grouse shows rough-looking, yellow air sacs. Females and chicks have a browner overall appearance to their plumage than those of the Dusky Grouse. VOICE Loud 6-syllable hooting; also growl, hiss, cluck, purrr. NESTING Shallow depression lined with dead vegetation, usually under small pine trees; 5–8 eggs; 1 brood; March–May. FEEDING Feeds primarily on evergreen needles, especially Douglas Fir; will take leaves, grasses, fruit, and insects when seasonally available.
American Museum of Natural History Birds of North America: Western Region by DK Publishing