Common Hippopotamus, Hippopotamus, Large Hippo vs Common Seal

Hippopotamus amphibius compared with Phoca vitulina

Key Differences

• Common Hippopotamus, Hippopotamus, Large Hippo is Vulnerable while Common Seal is Near Threatened.
• Common Hippopotamus, Hippopotamus, Large Hippo is herbivore while Common Seal is carnivore.
• Common Hippopotamus, Hippopotamus, Large Hippo is 18.8x heavier than Common Seal.
• Common Hippopotamus, Hippopotamus, Large Hippo lives longer (40 years vs 30 years).

Taxonomic Classification

Rank	Common Hippopotamus, Hippopotamus, Large Hippo	Common Seal
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order	Artiodactyla (Bộ Guốc chẵn)	Pinnipedia (Seals & Sea Lions)
Family	Hippopotamidae (Hippos)	Phocidae (True Seals)
Genus	Hippopotamus (Hippos)	Phoca (Harbor Seals)
Species	Hippopotamus amphibius	Phoca vitulina

Evolutionary Relationship

Common Hippopotamus, Hippopotamus, Large Hippo and Common Seal share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

Common Hippopotamus, Hippopotamus, Large Hippo

VU — Vulnerable

Population: ~130.0K

Trend: Decreasing ↓

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Physical Characteristics

Attribute	Common Hippopotamus, Hippopotamus, Large Hippo	Common Seal
Diet	Herbivore	Carnivore
Average Lifespan	40 years	30 years
Average Length	3.5 m	1.7 m
Average Weight	1.5 t	80.0 kg

Habitat & Geographic Range

Common Hippopotamus, Hippopotamus, Large Hippo

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 5 distinct biome types within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia and Kenya. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

Common Hippopotamus, Hippopotamus, Large Hippo

Africa's most dangerous large mammal, common hippos can reach 3,200 kg and inhabit rivers, lakes, and wetlands of sub-Saharan Africa. Semi-aquatic, spending up to 16 hours daily submerged to keep cool, they graze on land at night. Despite appearing docile, hippos are extremely aggressive and territorial, responsible for hundreds of human fatalities annually. Vulnerable, with populations threatened by habitat loss and illegal hunting for ivory tusks.

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.