Warbla · Library
Double-crested cormorant
Nannopterum auritum · Family Phalacrocoracidae
Nannopterum auritum
Family Phalacrocoracidae
- Order
- Suliformes
- Family
- Phalacrocoracidae
- GBIF occurrence records
- 10,553,316
- Countries and territories with records
- 34

About this species
This species has 10,553,316 occurrence records from 34 countries and territories (GBIF, 21 October 2026). Most records come from the United States (84.4%) and Canada (14.6%); together they account for 99% of the total. In the United States, this species accounts for 0.8% of all bird records in GBIF.
The scientific name Nannopterum auritum combines the genus name Nannopterum with the species epithet auritum. The Warbla app catalog lists 3 species of the genus Nannopterum; apart from this one, those with the most GBIF records are Nannopterum brasilianum and Nannopterum harrisi.
The catalog has GBIF record counts for 30 species of the family Phalacrocoracidae. This species has the most records among them. Its record count is 12.8 times the family average (821,390). The family Phalacrocoracidae belongs to the order Suliformes, which has 48 species in the Warbla app catalog.