黑背啄木鸟
Black-backed Woodpecker
Picoides arcticus
分类位置
.jpg/500px-American_Three-toed_Woodpecker_-_Picoides_dorsalis_(Male).jpg)
.jpg/500px-Three-toed_Woodpecker_-_Finlandia_0005_(3).jpg)
形态与习性
The black-backed woodpecker (Picoides arcticus), also known as the Arctic three-toed woodpecker, is a medium-sized woodpecker (23 cm (9.1 in) long) inhabiting the forests of North America.
体重
5 g
.jpg/500px-Grey_Woodpecker_(Mesopicos_goertae).jpg)
_on_a_tree.jpg/500px-Andaman_Woodpecker_(Dryocopus_hodgei)_on_a_tree.jpg)
_(8082816234).jpg/500px-Antillean_Piculet_(Nesoctites_micromegas)_(8082816234).jpg)
.jpg/500px-Dendrocoptes_dorae_by_James_Eaton_(cropped).jpg)
_on_tree_trunk_(crop_1).jpg/500px-Ashy_Woodpecker_(Mulleripicus_fulvus)_on_tree_trunk_(crop_1).jpg)