Common Seal vs gray wolf

Phoca vitulina compared with Canis lupus

Key Differences

• Common Seal is Near Threatened while gray wolf is Critically Endangered.
• Common Seal is 1.8x heavier than gray wolf.
• Common Seal lives longer (30 years vs 13 years).

Taxonomic Classification

Rank	Common Seal	gray wolf
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Pinnipedia (Seals & Sea Lions)	Carnivora (食肉目)
Family	Phocidae (True Seals)	Canidae (Dogs & Wolves)
Genus	Phoca (Harbor Seals)	Canis (Dogs & Wolves)
Species	Phoca vitulina	Canis lupus

Evolutionary Relationship

Common Seal and gray wolf share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

gray wolf

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	Common Seal	gray wolf
Diet	Carnivore	Carnivore
Average Lifespan	30 years	13 years
Average Length	1.7 m	1.6 m
Average Weight	80.0 kg	45.0 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.

gray wolf

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 13 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Seychelles), Asia (Japan), Europe (5 countries), North America (7 countries), Oceania and the Pacific (Marshall Islands, Vanuatu), and South America (5 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Common Seal

分布最广的鳍足类动物港海豹（Phoca vitulina）栖居于北大西洋和北太平洋温带及亚北极沿海水域。成体体重可达130千克，在海中捕食鱼类、鱿鱼和甲壳动物，并在沙滩或礁岩上休息，两者时间大致相当。大而富有表情的眼睛适应于弱光下的水下视觉。港海豹是虎鲸、鲨鱼和北极熊的重要食物来源。

gray wolf

灰狼是分布最广的野生犬科动物，分布范围从北美横跨欧亚大陆，栖息于冻原、森林和草原等多种生境。高度社会化的动物，以由占优势的繁殖对领导的家族群体生活。作为关键捕食者，狼调节猎物种群并深刻影响生态系统结构，黄石公园的重引入项目对此有充分证明。曾遭到严重迫害，但目前许多地区的种群正在恢复。

Shared Countries

Both species can be found in 6 countries:

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