. The birds of Illinois and Wisconsin . American Goldfinch. 578 Field Museum of Natural History — Zoology, Vol. IX. lations, usually accompanied on the downward swing by the familiarchee-e-wee. Nidification begins in May. The nest is built in large bushes orlow trees, and is woven of grass and plant fibre, lined with thistledown. The eggs are from 3 to 6, pale blue or bluish white in color,and measure about .66 x .47 inches. Genus SPINUS Koch. 243. Spinus pinus (Wils.). Pine Siskin. Distr.: North America generally, breeding in the British Prov-inces, Rocky Mountains, Sierra Nevada, and high mo
. The birds of Illinois and Wisconsin . American Goldfinch. 578 Field Museum of Natural History — Zoology, Vol. IX. lations, usually accompanied on the downward swing by the familiarchee-e-wee. Nidification begins in May. The nest is built in large bushes orlow trees, and is woven of grass and plant fibre, lined with thistledown. The eggs are from 3 to 6, pale blue or bluish white in color,and measure about .66 x .47 inches. Genus SPINUS Koch. 243. Spinus pinus (Wils.). Pine Siskin. Distr.: North America generally, breeding in the British Prov-inces, Rocky Mountains, Sierra Nevada, and high mountains ofArizona, south to Lower California and the mountains of Mexico toOrizaba. Also breeds sparingly in northeastern United States.(A. O. U.) Adult: Upper plumage, streaked w4th pale brown and dark brown;under parts, grayish white, streaked with dusky; rump, yellow,. Pine Siskin. Streaked with dusky; at times the whole plumage faintly tinged withyellow and again hardly noticeable; basal portion of quills and tail,yellow. Sexes, similar. Length, ; wing, ; tail, 2; bill, .35. The yellow markings at the base of the wing and tail featherswill distinguish this species. This species is common in Illinois and Wisconsin during the mi-grations and a more or less common winter resident, especially in Jan., 1909. Birds of Illinois and Wisconsin — Cory. 579 IHinois. It was not uncommon about Chicago during the latter partof January of the present year, and on February 14, the winter saw alarge flock in Jackson Park and two others containing from 15 to 20individuals at Burnside. The notes are somewhat similar to thoseof the Goldfinch but are not so loud. It is supposed to breed inWisconsin, but I find no authentic record of its having done so. supposed it to breed in the pine regions, but did not appar-ently find a nest. Kumlien and Hollister
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