Brindled Flat-body vs Common Eider

Agonopterix arenella compared with Somateria mollissima

Key Differences

• Brindled Flat-body is Least Concern while Common Eider is Near Threatened.

Taxonomic Classification

Rank	Brindled Flat-body	Common Eider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Anseriformes (Anseriformes)
Family	Depressariidae	Anatidae
Genus	Agonopterix	Somateria
Species	Agonopterix arenella	Somateria mollissima

Evolutionary Relationship

Brindled Flat-body and Common Eider share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brindled Flat-body

LC — Least Concern

Common Eider

NT — Near Threatened

Physical Characteristics

Attribute	Brindled Flat-body	Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brindled Flat-body

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Common Eider

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Brindled Flat-body

The Brindled Flat-body (Agonopterix arenella) is a species in the genus Agonopterix. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Common Eider

Common Eider (Somateria mollissima) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden