小美洲黑雁

分类信息

目

Anseriformes

科

Anatidae

属

Branta

eBird 代码

cacgoo1

CBR 编号

#6

亚种 (4)

• Branta hutchinsii hutchinsii

  breeds north-central arctic Canada; winters in the south-central USA (New Mexico to Louisiana, rarely eastward to New York) and northeastern Mexico

• Branta hutchinsii leucopareia

  breeds locally in Aleutian and Semidi islands, Alaska (formerly bred from Kuril and Commander islands eastward to near Kodiak Island); winters Oregon and California

• Branta hutchinsii minima

  breeds coastal western Alaska; winters primarily in California

• Branta hutchinsii taverneri

  breeds central Alaska to Mackenzie River delta; winters to Mexico