Calamian Deer vs Common Hippopotamus, Hippopotamus, Large Hippo

Axis calamianensis compared with Hippopotamus amphibius

Key Differences

• Calamian Deer is Endangered while Common Hippopotamus, Hippopotamus, Large Hippo is Vulnerable.

Taxonomic Classification

Rank	Calamian Deer	Common Hippopotamus, Hippopotamus, Large Hippo
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Artiodactyla (Even-toed Ungulates)	Artiodactyla (Even-toed Ungulates)
Family	Cervidae (Deer)	Hippopotamidae (Hippos)
Genus	Axis	Hippopotamus (Hippos)
Species	Axis calamianensis	Hippopotamus amphibius

Evolutionary Relationship

Calamian Deer and Common Hippopotamus, Hippopotamus, Large Hippo share a common ancestor at the Order level: Artiodactyla. (Even-toed Ungulates)

Conservation Status

Calamian Deer

EN — Endangered

Common Hippopotamus, Hippopotamus, Large Hippo

VU — Vulnerable

Population: ~130.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Calamian Deer	Common Hippopotamus, Hippopotamus, Large Hippo
Diet	—	Herbivore
Average Lifespan	—	40 years
Average Length	—	3.5 m
Average Weight	—	1.5 t

Habitat & Geographic Range

Calamian Deer

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Calamian Deer

The Calamian Deer (Axis calamianensis) is a species in the genus Axis. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.