Double-crested Cormorant

Nannopterum auritum

birds3 U.S. zoos
Where to see one
3 U.S. zoos in our directory hold double-crested cormorant, confirmed against each zoo's own animal list.

Conservation status

Not Evaluated

This species has not been assessed for the IUCN Red List, so it sits outside the threat scale entirely.

About the double-crested cormorant

The double-crested cormorant is a water bird widely distributed across North America, from the Aleutian Islands of Alaska down to Florida and Mexico, near rivers, lakes and coasts. It measures 70-90 cm in length and is entirely black apart from a bare patch of orange-yellow facial skin. In the breeding season it grows a double crest of black feathers mingled with white. It mainly eats fish, hunting by swimming and diving. Like all cormorants it has feathers that are not waterproof and must dry them after time in the water. Five subspecies are recognised.

Double-crested Cormorant facts

  • Its name refers to the nuptial crests it grows in the breeding season.
  • It was once threatened by the use of DDT, but numbers have increased markedly in recent years.
  • A 2014 study moved it into the genus Nannopterum, named for the small-winged flightless cormorant.
  • The Alaskan subspecies is the largest and bears straight, white crests.

Where to see double-crested cormorant in the U.S.

3 zoos across 3 states

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Built from each zoo's own published animal list.

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