Double-crested Cormorant

Subspecies (5)

• Nannopterum auritum albociliatum

  southwestern British Columbia to Gulf of California and northwestern Mexico

• Nannopterum auritum auritum

  inland and coastal Alberta eastward through Gulf of St. Lawrence to Cape Cod and locally southward to Utah and Massachusetts

• Nannopterum auritum cincinatum

  Aleutian Islands (eastward from Unalaska) to Alexander Archipelago, in southeastern Alaska; winters southward to British Columbia (southwestern Canada)

• Nannopterum auritum floridanum

  southeastern USA (coastal North Carolina to Florida), Cuba, and locally in southeastern Mexico (Yucatan Peninsula) and northern Belize

• Nannopterum auritum heuretum

  eastern Bahamas (San Salvador)