. The birds of Illinois and Wisconsin . Barn one seventh natural size. Under parts, white, or tawny white, with more or less small spotsof brown; middle toe nail, with comb-like edge. (This speciesbelongs in Family Aluconidae, the Barn Owls having been separatedfrom the Strigidas.) Aluco pratincola. Barn No. 173. 158 Field Museum of Natural History—Zoology, Vol. IX. GROUP 4. Wing, 13 to 15 inches long. SECTION 1. Second primary, decidedly shorter than fourth. Under parts, white, barred and streaked with brown; toes, moreor less feathered. Strix varia. Barred Owl. See No. 176.
. The birds of Illinois and Wisconsin . Barn one seventh natural size. Under parts, white, or tawny white, with more or less small spotsof brown; middle toe nail, with comb-like edge. (This speciesbelongs in Family Aluconidae, the Barn Owls having been separatedfrom the Strigidas.) Aluco pratincola. Barn No. 173. 158 Field Museum of Natural History—Zoology, Vol. IX. GROUP 4. Wing, 13 to 15 inches long. SECTION 1. Second primary, decidedly shorter than fourth. Under parts, white, barred and streaked with brown; toes, moreor less feathered. Strix varia. Barred Owl. See No. 176. SECTION 2. Second primary, about equal in length to fourth. Two large, ear-like tufts of feathers above the eyes. Bubo virginianus, and Horned Nos. 181, i8ia. SECTION 3. Second primary, decidedly longer than Short-eared Owl Under parts, streaked; feet, thickly feathered. Asia Owl. See No. 175. Under parts, white or buff white, more or less spotted; feet, nearlybare; middle toe nail, with comb-like edge. Aluco pratincola. Barn No. 173. Jan., 1909. Birds of Illinois and Wisconsin—Cory. 159 GROUP 5. Wing, over 15 inches long. Bill, black; general plumage, tawny, black and white; horn-liketufts of feathers over the eyes. Bubo virginianus, and races. Great Horned Nos. 181, i8ia. Bill, black; general plumage, white, usually more or less markedwith slate brown, or dark brown; no horn-like tufts of feathers overthe eyes. Nyctea nyctea. Snowy No. 182. Bill, yellowish; no horn-like tufts of feathers over eyes; generalplumage, gray mixed with white and dark brown. Scotiaptex Gray Owl. See No. 177.
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Keywords: ., bo, bookcentury1900, bookdecade1900, bookidbirdsofillinoisw00cory
