Pine Siskin= Spinus pinus=Carduelis pinus ; 雀科 Fringillidae; 雀形目 Passeriformes; Streaked brown body, dark wings, and subtle yellow edgings on wings and tails. Female Pine Siskins lack the yellow on the wing. Flashes of yellow can erupt as they explode into flight, flutter 飘动, 鼓翼 at branch tips, This nomadic 游牧的, 流浪的 finch=雀 ranges widely and erratically across the continent each winter in response to seed crops. Better suited to clinging to branch tips than to hopping along the ground, as brown-streaked acrobats 杂技演员. Pine Siskins are very small songbirds with sharp, pointed bills and short, notched tails. Their uniquely shaped bill is more slender than that of most finches. In flight, look for their forked tails and pointed wingtips.
Posted on: Thu, 31 Oct 2013 04:34:18 +0000
Trending Topics
Recently Viewed Topics
© 2015