. Color key to North American birds; with bibliographical appendix . ill; wings and tailgrayish brown instead of dull blackish. Range,—IfadTaEc Island and south on the coast to Sitka, Alaska,*(Ridgway.) 521. American Crossbill (Loxia tmrvirostra minor).[; W. ; B. .66. Tips of mandibles cf. Fed, more or less suffused with greenish oryellow, j4d. $. Olive-green, rump and underparts■yellower. Yng. Resemble Ad. Q. Noias. Calls,when feeding, a conversational twittering; louder andmore pronounced when Hying; song, sweet, varied andmusical, but of small volume. Range.—Northern Nort
. Color key to North American birds; with bibliographical appendix . ill; wings and tailgrayish brown instead of dull blackish. Range,—IfadTaEc Island and south on the coast to Sitka, Alaska,*(Ridgway.) 521. American Crossbill (Loxia tmrvirostra minor).[; W. ; B. .66. Tips of mandibles cf. Fed, more or less suffused with greenish oryellow, j4d. $. Olive-green, rump and underparts■yellower. Yng. Resemble Ad. Q. Noias. Calls,when feeding, a conversational twittering; louder andmore pronounced when Hying; song, sweet, varied andmusical, but of small volume. Range.—Northern North America, chlstly eastward; breeds fromnorthern New England (In Alleghenles from Georgia) north and west10 Alaska: winters south Irregularly to Virginia and Nevada; casuallyto South Carolina and Louisiana. 521a Mexican Crossbill (i. c. stricMandi). Simi-lar 10 No. 521, but larger; W. 4; B. .78, Range.—Mountains of Wyoming and Colorado, west to the SierraNevada, and south throueh New Mexico, Arizona and the tablelandsof Mexico to Guatemala. (A. O. If.) 173. Perching Birds Marked With Red 522. White-winged Crossbill {toxin tmcoptera).L. 6. Tips of mandibles crossed. Ad. (f. Rose-pinli; middle of back black; wings with two -wkiU 9- Olive-green and dusky; rump nwX under-parts yellower; wings \cith (wo white bars. Yng, LikeAd. V. Notes. Resemble those of No. 521. Range,—Northern Nnrtii America; breeSs from northern NeiuEngland, northern New York and rnrlhern Michigan rorttiward:winters south Irregularly to Virginia, Illinois. British Columbia, andNevada. sn.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbirds, bookyear1912
