Hooded seal vs Redhead

Cystophora cristata compared with Aythya americana

Key Differences

• Hooded seal is Endangered while Redhead is Not Evaluated.

Taxonomic Classification

Rank	Hooded seal	Redhead
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	Cystophora	Aythya
Species	Cystophora cristata	Aythya americana

Evolutionary Relationship

Hooded seal and Redhead share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Hooded seal

EN — Endangered

Redhead

NE — Not Evaluated

Physical Characteristics

Attribute	Hooded seal	Redhead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hooded seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Redhead

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

Redhead

Redhead (Aythya americana) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway