Common Seal vs Чёрный стриж

Phoca vitulina compared with Apus apus

Key Differences

• Common Seal is Near Threatened while Чёрный стриж is Least Concern.

Taxonomic Classification

Rank	Common Seal	Чёрный стриж
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Mammalia (млекопитающие)	Aves (птицы)
Order	Pinnipedia (Seals & Sea Lions)	Apodiformes (стрижеобразные)
Family	Phocidae (True Seals)	Apodidae
Genus	Phoca (Harbor Seals)	Apus
Species	Phoca vitulina	Apus apus

Evolutionary Relationship

Common Seal and Чёрный стриж share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Чёрный стриж

LC — Least Concern

Physical Characteristics

Attribute	Common Seal	Чёрный стриж
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.

Чёрный стриж

Habitat

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

Range

Found across Europe (6 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.

Чёрный стриж

Common Swift (Apus apus) 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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden