The book North American Fauna 65 was written by author U.S. Fish And Wildlife Service Here you can read free online of North American Fauna 65 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is North American Fauna 65 a good or bad book?
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Principal differences of diagnostic value are: palustris males average a shorter bill than mearnsi, but differentiation of these races is chiefly on the basis of the darker color of both sexes of palustris. In compar- ison with the Tres Marias Islands population described beyond, palustris has a shorter wing and is darker in color. MEASUREMENTS Males (22 specimens, mostly breeding) : wing 158.0-169.0 mm. (av. 163.2), tail 109.-123.6 (117.2), culmen 19.0-23.0 (20.7). Females (20 specimens, mostl...y breeding): wing 153.5-166.0 mm. (av. 159.5), tail 107.0-117.0 (112.2) , culmen 19.8-23.0 (21.4). RANGE The specimens of palustris examined in this study were from the mangrove swamps near San Bias, Nayarit, and northward to near SEVEN NEW WHITE-WINGED DOVES 15 Mazatlan, Sinaloa. This race also occurs in some mangrove swamps and adjacent woodlands southeast to localities in Guerrero, but further study of museum collections and additional field work will be needed to determine distribution in more detail.
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