Atlantic Gray Seal vs Canadian Otter

Halichoerus grypus compared with Lontra canadensis

Key Differences

• Atlantic Gray Seal is Vulnerable while Canadian Otter is Least Concern.

Taxonomic Classification

Rank	Atlantic Gray Seal	Canadian Otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Pinnipedia (Seals & Sea Lions)	Carnivora (Carnivorans)
Family	Phocidae (True Seals)	Mustelidae (Weasels & Otters)
Genus	Halichoerus	Lontra
Species	Halichoerus grypus	Lontra canadensis

Evolutionary Relationship

Atlantic Gray Seal and Canadian Otter share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Canadian Otter

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Gray Seal	Canadian Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Gray Seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Canadian Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

Atlantic Gray Seal

The Atlantic Gray Seal (Halichoerus grypus) is a species in the genus Halichoerus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Canadian Otter

The Canadian Otter (Lontra canadensis) is a species in the genus Lontra. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.