Common Eider vs Neotropical otter

Somateria mollissima compared with Lontra longicaudis

Key Differences

• Common Eider is Near Threatened while Neotropical otter is Data Deficient.

Taxonomic Classification

Rank	Common Eider	Neotropical otter
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Aves (นก)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Anseriformes (อันดับห่าน)	Carnivora (สัตว์กินเนื้อ)
Family	Anatidae	Mustelidae (Weasels & Otters)
Genus	Somateria	Lontra
Species	Somateria mollissima	Lontra longicaudis

Evolutionary Relationship

Common Eider and Neotropical otter share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Common Eider

NT — Near Threatened

Neotropical otter

DD — Data Deficient

Physical Characteristics

Attribute	Common Eider	Neotropical otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Neotropical otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.