Common Hippopotamus, Hippopotamus, Large Hippo vs Knotroot Bristle Grass

Hippopotamus amphibius compared with Setaria parviflora

Key Differences

Common Hippopotamus, Hippopotamus, Large Hippo is Vulnerable while Knotroot Bristle Grass is Not Evaluated.

Taxonomic Classification

Rank	Common Hippopotamus, Hippopotamus, Large Hippo	Knotroot Bristle Grass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Artiodactyla (Even-toed Ungulates)	Poales (Grasses)
Family	Hippopotamidae (Hippos)	Poaceae (Grass Family)
Genus	Hippopotamus (Hippos)	Setaria
Species	Hippopotamus amphibius	Setaria parviflora

Conservation Status

Common Hippopotamus, Hippopotamus, Large Hippo

VU — Vulnerable

Population: ~130.0K

Trend: Decreasing ↓

Knotroot Bristle Grass

NE — Not Evaluated

Physical Characteristics

Attribute	Common Hippopotamus, Hippopotamus, Large Hippo	Knotroot Bristle Grass
Diet	Herbivore	—
Average Lifespan	40 years	—
Average Length	3.5 m	—
Average Weight	1.5 t	—

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.

Knotroot Bristle Grass

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Africa (Algeria, Congo (DRC), South Africa), Asia (7 countries), Europe (11 countries), North America (5 countries), Oceania and the Pacific (4 countries), and South America (6 countries).

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.