Bill as long as the middle toe, moderately hooked; the crossing point of the lower mandible passing beyond the ridge of the upper.
L. curvirostra, Temm. Man. d'Orn. torn. I. p. 328. Common Cross-Bill, Selb. Illust. vol. I. p. 329. pl. 53. Cross-Bill, Mont. Orn. Diet. Bew. Brit. Birds, vol. I. p. 153.
Entire length six inches four lines.
(Adult male). General colour of the plumage cinereous, deeply tinged with greenish yellow: rump yellow: lower part of the abdomen ash-gray with dusky spots: quills and tail-feathers dusky, with greenish edges; great and middle wing-coverts edged with yellowish white: bill yellowish brown: irides and feet brown. (Male after the first moult). All the upper and under parts brick-red, tinged with yellowish gray: quills and tail-feathers dusky, edged with yellowish green: under tail-coverts white, spotted with dusky. (Female, and young of the year). Brownish gray, more or less tinged with greenish: rump yellow: under parts whitish, with longitudinal dusky streaks. (Egg). Pale bluish white, speckled with red-brown: long. diam. ten lines and a half; trans, diam. eight lines.
An occasional visitant in this country, at irregular intervals. Generally observed during the summer and autumnal months, in larger or smaller flocks. Breeds in the northern parts of Europe during the Winter, or very early in the Spring. According to Sheppard has been known to breed in Suffolk in one or two instances. Nest placed in the forked branches of pines, composed of moss and lichens, and lined with feathers. Eggs four or five in number. Food principally the seeds of the pine and other firs.