Atlantic Gray Seal vs Comb Duck

Halichoerus grypus compared with Sarkidiornis melanotos

Key Differences

• Atlantic Gray Seal is Vulnerable while Comb Duck is Least Concern.

Taxonomic Classification

Rank	Atlantic Gray Seal	Comb Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Pinnipedia (Seals & Sea Lions)	Anseriformes (Anseriformes)
Family	Phocidae (True Seals)	Anatidae
Genus	Halichoerus	Sarkidiornis
Species	Halichoerus grypus	Sarkidiornis melanotos

Evolutionary Relationship

Atlantic Gray Seal and Comb Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Comb Duck

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Gray Seal	Comb Duck
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.

Comb Duck

Habitat

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

Range

Found across Europe (5 countries) and South America (Colombia, Ecuador).

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.

Comb Duck

Comb Duck (Sarkidiornis melanotos) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway