Hooded seal vs Rook

Cystophora cristata compared with Corvus frugilegus

Key Differences

• Hooded seal is Endangered while Rook is Least Concern.

Taxonomic Classification

Rank	Hooded seal	Rook
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Pinnipedia (Seals & Sea Lions)	Passeriformes (Songbirds)
Family	Phocidae (True Seals)	Corvidae (Crows & Ravens)
Genus	Cystophora	Corvus (Crows & Ravens)
Species	Cystophora cristata	Corvus frugilegus

Evolutionary Relationship

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

Conservation Status

Hooded seal

EN — Endangered

Rook

LC — Least Concern

Physical Characteristics

Attribute	Hooded seal	Rook
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.

Rook

Habitat

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

Range

Found across Europe (5 countries) and Oceania and the Pacific (New Zealand).

Rook

Rook (Corvus frugilegus) 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:

🇩🇰 Denmark 🇳🇴 Norway