Note: Do not rely on this information. It is very old.
Siskin
Siskin, a book name for finches of the genus Chrysomitris, with eighteen species, from the Neotropical and Neartic regions, Europe and Siberia. The Common Siskin,or Aberdevine (C. spinus), a British winter visitor, remaining to breed in parts of Scotland, is a common cage-bird, a little less than five inches long, with yellowish-green plumage, marked with black above; the under parts are white.