By DK Publishing
Protecting 580 species present in the USA and Canada west of the a centesimal Meridian, the American Museum of ordinary historical past Birds of North the US Western Region is the single advisor to take advantage of a completely built-in photographic method of profile the intense variety of birds often obvious west around the nice Plains and West Coast.
Ideal for birdwatchers and chook fanatics of all ages, and together with details on habit, nesting, and habitat, the American Museum of traditional heritage Birds of North the United States Western Region comprises distinct sections on species chanced on purely within the Southwest and for species which are unusual or quite restricted in distribution.
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Extra info for American Museum of Natural History Birds of North America: Western Region
There are two subspecies in the US (three overall)—the pale-bellied “Atlantic” Brant (B. b. hrota), found in the east, and the darker “black” Brant (B. b. nigricans), in the west. In addition, there is an intermediate gray-bellied form that winters in the Puget Sound region along the Washington State coast. Unlike other North American geese, the Brant feeds mainly on eelgrass in winter. VOICE Nasal cruk, harsh-sounding in tone; rolling series of cut cut cut cronk, with an upward inflection at end.
FLIGHT: fast flight; often flying in twisting, tight groups reminiscent of shorebird flocks. SINGLE PARENT The female duck is deserted by her partner during incubation, so she must provide all parental care. 50 different wing pattern whitish spot at base of bill Breeds from central US northward to Canada and Alaska; around ponds in forests and deciduous woodlands. Prefers shallow vegetated wetlands. In winter and migration, inland and coastal marshes, sloughs, and agricultural fields. Winters south of the Caribbean and in southern Mexico.
The “tundra” (A. a. 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.
American Museum of Natural History Birds of North America: Western Region by DK Publishing