. Handbook of birds of the western United States including the great plains, great basin, Pacific slope, and lower Rio Grande valley . ngth. KEY TO SPECIES. 1. Tail banded fasciata, p. 138. r. Tail uniform slaty black . flavirostris, p. 140. 312. Columba fasciata-Sa^. Band-tailed Pigeon. Adult male. — End of tail with broad — two inch — band, pale gray, bor-dered above by black ; back of neckirith white collar adjoined by iridescentuonzy patch spreading back as agreenish wash ; head and under partspurplish pink, fading to whitish on^^- ^* belly ; fore part of back tinged with brownish, hinder
. Handbook of birds of the western United States including the great plains, great basin, Pacific slope, and lower Rio Grande valley . ngth. KEY TO SPECIES. 1. Tail banded fasciata, p. 138. r. Tail uniform slaty black . flavirostris, p. 140. 312. Columba fasciata-Sa^. Band-tailed Pigeon. Adult male. — End of tail with broad — two inch — band, pale gray, bor-dered above by black ; back of neckirith white collar adjoined by iridescentuonzy patch spreading back as agreenish wash ; head and under partspurplish pink, fading to whitish on^^- ^* belly ; fore part of back tinged with brownish, hinder part bluish gray; wing quills blackish, coverts bluishgray, faintly edged with white. Adult female: like male but duller andmuch grayer ; white nuchal band often obsolete, iridescent patch restricted,head grayish instead of pink, under parts largely grayish. Young: with-out white on nape, under parts dull grayish, tinged with brown on breast;upper parts with feathers more or less lightly bordered with paler; headand neck dull bluish gray in male, light grayish brown in female. Length :15-16, wing , tail PIGEONS 139 Distribution. — Transition zone, from British Columbia south throughMexico to Guatemala, eastward to Colorado and to western Texas. Nest. — When eggs are not laid on the ground or in the nest of someother bird, a slight platform of twigs on the. flat limb of a tree. Eggs : 1or 2, white. Food. — Mainly acorns, but also young sycamore balls, grain, wild ber-ries, such as elder, salmon, pigeon, mulberry, and manzanita; and honeyfrom the century plant flowers. Though the band-tailed pigeons are sometimes common in thelarge river-bottoms where cotton wood balls, alder seeds, and berriesabound, they live mainly on mast and breed principally on the edgeof Upper Sonoran zone where the oaks and pines intermingle. Theacorn crop of the year apparently governs their movements. Ingood acorn winters, Mr. G-rinnell says, they sometimes appear infloc
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