Common Seal vs Pied Cormorant

Phoca vitulina compared with Phalacrocorax varius

Key Differences

• Common Seal is Near Threatened while Pied Cormorant is Least Concern.

Taxonomic Classification

Rank	Common Seal	Pied Cormorant
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Pinnipedia (Seals & Sea Lions)	Suliformes (Suliformes)
Family	Phocidae (True Seals)	Phalacrocoracidae
Genus	Phoca (Harbor Seals)	Phalacrocorax
Species	Phoca vitulina	Phalacrocorax varius

Evolutionary Relationship

Common Seal and Pied Cormorant share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Pied Cormorant

LC — Least Concern

Physical Characteristics

Attribute	Common Seal	Pied Cormorant
Diet	Carnivore	—
Average Lifespan	30 years	—
Average Length	1.7 m	—
Average Weight	80.0 kg	—

Habitat & Geographic Range

Common Seal

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (7 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Pied Cormorant

Habitat

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

Range

Found in Norway.

Common Seal

The most widely distributed pinniped, harbor seals inhabit temperate and subarctic coastal waters of both the North Atlantic and North Pacific. Adults reach up to 130 kg and spend roughly equal time at sea hunting fish, squid, and crustaceans and hauling out on beaches or rocks to rest. Their large, expressive eyes are adapted for underwater vision in low light. Harbor seals are a critical food source for orcas, sharks, and polar bears.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway