As indicated by their name _socialis_, Chipping Sparrows are sociable birds not only with others of the bird tribe, but with man. In all localities that are not overrun with English Sparrows, you will find these confiding birds nesting in trees and shrubs in the yard and in vines from porches, while in orchards, nearly every tree has its tenant. They are smaller birds than the last (5.5 in. long) and have the brown crown bordered by blackish and a black line through the eye. Their nests, which may be found at any height from the ground and in any kind of a tree or shrub, are made of fine grass and weed stems, lined with hair; their three to five eggs are a handsome greenish blue, sparingly specked chiefly about the large end with blackish brown and purplish. Size .70 × .52. 560a. WESTERN CHIPPING SPARROW. _Spizella passerina arizonæ._ Range.--Western North America, chiefly west of the Rockies, from Mexico to Alaska; winters in Mexico. This variety is much duller colored than the last and has but little brown on the back; its nesting habits are the same and the eggs do not appear to differ in any respect from those of the eastern bird. 561. CLAY-COLORED SPARROW. _Spizella pallida._ Range.--Interior of United States and Canada, from the Mississippi Valley to the Rockies, breeding from Iowa and Colorado northward; winters in Mexico. These birds can best be described as like the Chipping Sparrow with the brown largely replaced with blackish. They breed quite abundantly in Manitoba and Minnesota, placing their nests on or near the ground, and making them of fine grasses. The eggs cannot be distinguished with certainty from those of the preceding but average a trifle smaller. Size .65 × .50. Data.--Barnsley, Manitoba, May 24, 1900. Nest of grass stalks lined with fine grass, one foot above ground in tuft of grass. 562. BREWER'S SPARROW. _Spizella breweri._ Range.--Western United States from Mexico to British Columbia rarely and chiefly between the Rockies and the Sierras; most abundant in New Mexico and Arizona. This bird is similar to the last but is paler and more finely streaked. Their nesting habits are like those of pallida and the eggs are indistinguishable. [Illustration 348: Bluish white.] [Illustration: 559a--560a.] [Illustration: Bluish white.] [Illustration: Bluish white.] [Illustration: 561--562--564.] [Illustration: left hand margin.] Page 347 [Illustration 349: CHIPPING SPARROWS (The whole family).] Page 348 563. Field Sparrow. _Spizella pusilla pusilla._ Range.--North America east of the Plains, breeding from the Gulf to southern Manitoba and Quebec; winters in the Gulf States.