Warbla · Library
Western Marsh Harrier
Circus aeruginosus · Family Accipitridae
Circus aeruginosus
Family Accipitridae
- Order
- Accipitriformes
- Family
- Accipitridae
- GBIF occurrence records
- 3,460,542
- Countries and territories with records
- 152
About this species
This species has 3,460,542 occurrence records from 152 countries and territories (GBIF, 21 October 2026). Most records come from Sweden (20.4%), the Netherlands (12.5%), Denmark (12%), Spain (9.7%) and Belgium (5.7%); together they account for 60.3% of the total. In Sweden, this species accounts for 0.69% of all bird records in GBIF.
The scientific name Circus aeruginosus combines the genus name Circus with the species epithet aeruginosus. The Warbla app catalog lists 16 species of the genus Circus; apart from this one, those with the most GBIF records are Circus cyaneus, Circus hudsonius and Circus pygargus.
The catalog has GBIF record counts for 195 species of the family Accipitridae. This species ranks 7th among them; the family’s most-recorded species is Buteo jamaicensis. Its record count is 8.4 times the family average (411,236). The family Accipitridae belongs to the order Accipitriformes, which has 213 species in the Warbla app catalog.