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White-crowned sparrows nest either low in bushes or on the ground under shrubs and lay three to five brown-marked gray or greenish-blue eggs. [3] The white-crowned sparrow is known for its unihemispheric slow-wave sleep, which allows it to stay half-awake for up to two weeks during migration. [10]
American tree sparrow White-crowned sparrow. Order: Passeriformes Family: Passerellidae. Until 2017, these species were considered part of the family Emberizidae. Most of the species are known as sparrows, but these birds are not closely related to the Old World sparrows which are in the family Passeridae.
White-breasted nuthatch. Nuthatches are small woodland birds. They have the unusual ability to climb down trees head first, unlike other birds which can only go upwards. Nuthatches have big heads, short tails, and powerful bills and feet. Red-breasted nuthatch, Sitta canadensis; White-breasted nuthatch, Sitta carolinensis; Pygmy nuthatch, Sitta ...
Golden-crowned sparrow: north-central Alaska (including the Aleutian Islands as far west as Unimak Island) and central Yukon south to the northwestern corner of the US state of Washington, and wintering from southern coastal Alaska to northern Baja California Zonotrichia capensis: Rufous-collared sparrow
White-crowned sparrow: Zonotrichia leucophrys (Forster, JR, 1772) 70 Golden-crowned sparrow: Zonotrichia atricapilla (Gmelin, JF, 1789) 71 Harris's sparrow: Zonotrichia querula (Nuttall, 1840) 72 White-throated sparrow: Zonotrichia albicollis (Gmelin, JF, 1789) 73 Sagebrush sparrow: Artemisiospiza nevadensis (Ridgway, 1874) 74 Bell's sparrow
Fox sparrow: Passerella iliaca: B R American tree sparrow: Spizelloides arborea: U Dark-eyed junco: Junco hyemalis: B White-crowned sparrow: Zonotrichia leucophrys: B Harris's sparrow: Zonotrichia querula: V White-throated sparrow: Zonotrichia albicollis: V Sagebrush sparrow: Artemisiospiza nevadensis: V Vesper sparrow: Pooecetes gramineus: B ...
Saltmarsh sparrow Chipping sparrow Eastern towhee. Order: Passeriformes Family: Passerellidae. Until 2017, these species were considered part of the family Emberizidae. Most of the species are known as sparrows, but these birds are not closely related to the Old World sparrows which are in the family Passeridae.
The white-crowned sparrow and focus of Barbara DeWolfe's Research. DeWolfe's research focused on the white-crowned sparrow. She studied living populations, rather than stuffed animals as was the previous method, in California and Alaska. She was observed variations in breeding and song to help determine differences between the races of the ...