Common Seal vs Silver Meadow

Phoca vitulina compared with Boloria selene

Key Differences

• Common Seal is Near Threatened while Silver Meadow is Extinct.

Taxonomic Classification

Rank	Common Seal	Silver Meadow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Pinnipedia (Seals & Sea Lions)	Lepidoptera (Butterflies & Moths)
Family	Phocidae (True Seals)	Nymphalidae (Brush-footed Butterflies)
Genus	Phoca (Harbor Seals)	Boloria
Species	Phoca vitulina	Boloria selene

Evolutionary Relationship

Common Seal and Silver Meadow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Silver Meadow

EX — Extinct

Physical Characteristics

Attribute	Common Seal	Silver Meadow
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.

Silver Meadow

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (34 countries) and North America (United States).

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.

Silver Meadow

Silver Meadow (Boloria selene) is classified as Extinct (EX) on the IUCN Red List. This species has been declared extinct, with no known living individuals remaining in the wild or in captivity.

Shared Countries

Both species can be found in 8 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇷🇺 Russia 🇸🇪 Sweden 🇺🇦 Ukraine 🇺🇸 United States