General Description: Pine Siskins (Spinus pinus) are small finches of the high mountains with narrow, pointed bills and a bit of yellow on the wings and base of the tail. In addition, Pine Siskins are heavily streaked and have a deeply notched tail.
Taxonomy: Passeriformes, Fringillidae, Carduelinae. Formerly Carduelis pinus.
Favored Habitat: High-elevation mountain forests with pine and fir trees.