About the Pine Siskin
The pine siskin (Spinus pinus) is a North American bird in the finch family. It is a migratory bird with an extremely sporadic winter range. The pine siskin is currently listed as a species of Least Concern on the IUCN Red List.
The pine siskin was formally described in 1810 by the American ornithologist Alexander Wilson under the binomial name Fringilla pinus. The specific epithet pinus is the Latin word for a "pine-tree". The type locality is Philadelphia, Pennsylvania. The pine siskin is now placed in the genus Spinus that was introduced in 1816 by the German naturalist Carl Ludwig Koch in 1816.
Three subspecies are recognised: In both sexes, total length can range from 11–14 cm (4.3–5.5 in), with a wingspan of 18–22 cm (7.1–8.7 in) and a weight of 12–18 g (0.42–0.63 oz). Adults are brown on the upperparts and pale on the underparts, with heavy streaking throughout... Wikipedia →