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ANATOMY OF BIRDS
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Birds and Birding's Guide to:Watching THE ROLLER-LIKE BIRDSTHE ROLLERS AND THEIR ALLIESTHE OWLSScreech Owl HabitatThis Owl is a constant resident wherever found, not migrating or even wandering far during the winter months. The nesting season extends from the latter part of March to the beginning of May, according to locality, and the site chosen is a hollow tree at no great distance from the ground or a dark recess about a building, never in an open nest in a tree. The eggs generally number four or five, but as many as seven or eight have been recorded.”Both parents are generally found near the nest, and not infrequently sitting on the eggs at the same time. When suddenly disturbed in their hole they frequently utter a hissing noise and snap their mandibles together, producing a kind of rattling sound." Of the various geographical races, mention maybe made of the Florida Screech Owl (M. a. fioridanus), which is smaller and much darker than the typical form and has the rufous phase more richly colored. It ranges from South Carolina to Georgia and the whole of Florida, while in southern Texas and eastern Mexico occurs the Texan Screech Owl (M. a. maccallii), which is also smaller and slightly darker than M. asio, the light mottlings on the upper surface being much coarser and more conspicuous. Of the races which do not exhibit dichromatism, the Arizona Screech Owl (M. a. cineraceus) ranges from northwestern Mexico to the contiguous border of the United States; the Californian Screech Owl (M. a. bendirei), which is confined to California; Kennicott's Screech Owl (M. a. kenni-cottii) of the northwest coast; and the Rocky Mountain Screech Owl (M. a. maocwellia) of the higher Rocky Mountains. previous bird species next bird species
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