Azores Noctule vs Common Eider

Nyctalus azoreum compared with Somateria mollissima

Key Differences

• Azores Noctule is Vulnerable while Common Eider is Near Threatened.

Taxonomic Classification

Rank	Azores Noctule	Common Eider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Anseriformes (Anseriformes)
Family	Vespertilionidae	Anatidae
Genus	Nyctalus	Somateria
Species	Nyctalus azoreum	Somateria mollissima

Evolutionary Relationship

Azores Noctule and Common Eider share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Azores Noctule

VU — Vulnerable

Common Eider

NT — Near Threatened

Physical Characteristics

Attribute	Azores Noctule	Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Azores Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Portugal. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Azores Noctule

The Azores Noctule (Nyctalus azoreum) is a species in the genus Nyctalus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.