. The bird book : illustrating in natural colors more than seven hundred North American birds; also several hundred photographs of their nests and eggs . 374—375a 37Sf. Mexican Screech Owl. Otus asio —Western Mexico and southwestern border ofthe United States. A gray form with little or no buff, andmore numerously barred below. 373g. Aikens Screech Owl. Otus asio aikeni. Range.—El Paso County, Colorado. A gray form, withthe dark markings coarser and more numerous than in anyother. 37Sh. MacFarlanes Screech asio —Northern border of the United States f
. The bird book : illustrating in natural colors more than seven hundred North American birds; also several hundred photographs of their nests and eggs . 374—375a 37Sf. Mexican Screech Owl. Otus asio —Western Mexico and southwestern border ofthe United States. A gray form with little or no buff, andmore numerously barred below. 373g. Aikens Screech Owl. Otus asio aikeni. Range.—El Paso County, Colorado. A gray form, withthe dark markings coarser and more numerous than in anyother. 37Sh. MacFarlanes Screech asio —Northern border of the United States fromWashington to Montana. Spotted Screech Owl. Otus trichopsis. Range.—Mountains of southern Arizona, south intoMexico. A grayish species, similar to asio, but paler and morefinely barred beneath, and with whitish spots on thefeathers of the foreback. The nesting habits and eggs areprobably the same as those of the Screech Owl. Xantuss Screech Owl. Otus xantusi. Range.—Southern Lower California. A grayish species with the back and underparts finely vermiculated with red-dish brown, and with streaks of darker. It is not li
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectbirdsnorthamerica
