Birds of California; an introduction to more than three hundred common birds of the state and adjacent islands

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Framed Print of Birds of California; an introduction to more than three hundred common birds of the state and adjacent islands

Birds of California; an introduction to more than three hundred common birds of the state and adjacent islands, with a supplementary list of rare migrants, accidental visitants, and hypothetical subspecies. IDENTIFICATION The accompanying chart of a bird will explain the termsused in the descriptions. Upper parts refers to theentire upper surface of the body of the bird from the billto the tail. In the same manner, Under parts refersto the under surface. In identifying, decide first into which class the bird youare observing is likely to belong, — that is, whether landor water birds. If wat. Birds of California; an introduction to more than three hundred common birds of the state and adjacent islands, with a supplementary list of rare migrants, accidental visitants, and hypothetical subspecies. IDENTIFICATION The accompanying chart of a bird will explain the termsused in the descriptions. Upper parts refers to theentire upper surface of the body of the bird from the billto the tail. In the same manner, Under parts refersto the under surface. In identifying, decide first into which class the bird youare observing is likely to belong, — that is, whether landor water birds. If water, whether it is found on the opensea, or near shore, or in bayous or marshes, and whetherit is a swimmer or a wader, and then look for it in the listwhere you think it may belong. Always ascertain as nearas you can the birds length, and remember, in judginglength, that a bird usually looks smaller than he actuallymeasures. If the bird is among the land birds, and isneither a game bird nor a bird of prey, trace it down in thecolor classification. lit 113 HZ 121* ISO > r * ORESON mm pa I/BOREAL 3 I TRANSITION LOWER SONORA s^L^nevadA 1 V. ARIZONA USE OF THE MAP The four Life Zones indicated on the accompanyingmap are those mentioned in the data given under theheadings Geographical Distribution and Breeding Eange.They represent climatic conditions of temperature in theregions indicated. The Boreal extends from the tree-less, snowclad summits, far above the timber-line downthrough the coniferous forests. Next in coldness is theTransition, which begins at the Yellowpines, overlap-ping the Boreal a little, and containing some species ofoaks, buekbrush, manzanita, and some sagebrush. Lyingbetween the Transition and the almost tropical heat ofthe Lower Sonoran is the Upper Sonoran, wherewe find the juniper, oaks, piuon pines, and sagebrush.Last of all, the Lower Sonoran is the warmest. In itlie the hot valleys and desert regions of California, andhere flourish the live oaks and m. © Reading Room 2020

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Media ID 41601194