. Nests and eggs of North American birds [microform]. Ornithology; Birds; Ornithologie; Oiseaux. !i 1! r â T,: r.|t I Mill 20H SESTS AND EOGS OF almost conflupnt wreath at either end. The largest eggs iu Mr. Norrie' collection measure , ; the smallest, , The average size is 2 337(1. KRIDER'S HAWK. Butro horcalis kriderii Hoopes. Geog. Dist.âGreat Plains of the United States, from Minnesota to Texas. This lighter colored variety of the Red-tailed Hawk occurs In the Great Plains, from Minnesota to Texas; east irregularly or casually to Iowa and Nor
. Nests and eggs of North American birds [microform]. Ornithology; Birds; Ornithologie; Oiseaux. !i 1! r â T,: r.|t I Mill 20H SESTS AND EOGS OF almost conflupnt wreath at either end. The largest eggs iu Mr. Norrie' collection measure , ; the smallest, , The average size is 2 337(1. KRIDER'S HAWK. Butro horcalis kriderii Hoopes. Geog. Dist.âGreat Plains of the United States, from Minnesota to Texas. This lighter colored variety of the Red-tailed Hawk occurs In the Great Plains, from Minnesota to Texas; east irregularly or casually to Iowa and Northern Illinois. Mr. F. M. Dille writes that this bird nests In remote places on the plains and among the large cliffs of Colorado. He was unable to detect any difference between the nest and eggs of this bird and those of the Western Red-tail. He took a set of the eggs, three In number, in Weld county, May 24, 1886, from a nest in a Cottonwood tree. Two of these specimens are slightly spotted with Vandyke brown, but the third is quite heavily splashed and l)Iotched at the smaller end with chestnut and cinnamon; their sizes are , ;, A set of three coleotod by Mr. Dille Is in my collection and offer the following measurements: , , inches. Mr. Dille states that the nest contained cotton balls, from the tree in which it was placed; these had Ijurst and made excellent soft lining for the nest. 337/i. WESTERN RED-TAIL. Biilm hdiralis caliirus (Cass.) Geog. D^^'t.âWest- ern North America, especially in the United Slates, from Rocky Mountains to the Pacific, south into Mexico. A blackish or sometimes an almost en- tirely sooty variety inhabiting West- ern North America. In all respects its breeding habits are the same as those of the Eastern representative, nesting in the branches of lofty oaks, pines, sycamores, etc. In mountainous regions the nests are often placed on the narrow ledges of clifts. The eggs cannot be distingui
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, booksubjectorn
