Common Seal vs marsh fritillary

Phoca vitulina compared with Euphydryas aurinia

Key Differences

• Common Seal is Near Threatened while marsh fritillary is Extinct.

Taxonomic Classification

Rank	Common Seal	marsh fritillary
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)	Euphydryas
Species	Phoca vitulina	Euphydryas aurinia

Evolutionary Relationship

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

Conservation Status

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

marsh fritillary

EX — Extinct

Physical Characteristics

Attribute	Common Seal	marsh fritillary
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.

marsh fritillary

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (38 countries).

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.

marsh fritillary

marsh fritillary (Euphydryas aurinia) 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 7 countries:

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