Azara's Broad-headed Oryzomys vs Common Hippopotamus, Hippopotamus, Large Hippo

Hylaeamys megacephalus compared with Hippopotamus amphibius

Key Differences

• Azara's Broad-headed Oryzomys is Least Concern while Common Hippopotamus, Hippopotamus, Large Hippo is Vulnerable.

Taxonomic Classification

Rank	Azara's Broad-headed Oryzomys	Common Hippopotamus, Hippopotamus, Large Hippo
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Artiodactyla (Even-toed Ungulates)
Family	Cricetidae	Hippopotamidae (Hippos)
Genus	Hylaeamys	Hippopotamus (Hippos)
Species	Hylaeamys megacephalus	Hippopotamus amphibius

Evolutionary Relationship

Azara's Broad-headed Oryzomys and Common Hippopotamus, Hippopotamus, Large Hippo share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Azara's Broad-headed Oryzomys

LC — Least Concern

Common Hippopotamus, Hippopotamus, Large Hippo

VU — Vulnerable

Population: ~130.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Azara's Broad-headed Oryzomys	Common Hippopotamus, Hippopotamus, Large Hippo
Diet	—	Herbivore
Average Lifespan	—	40 years
Average Length	—	3.5 m
Average Weight	—	1.5 t

Habitat & Geographic Range

Azara's Broad-headed Oryzomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

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.

Azara's Broad-headed Oryzomys

The Azara's Broad-headed Oryzomys (Hylaeamys megacephalus) is a species in the genus Hylaeamys. It is currently classified as Least Concern 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.