African elephant vs Amerika-aka-ei

Loxodonta africana compared with Hypanus americanus

Key Differences

African elephant is Vulnerable while Amerika-aka-ei is Near Threatened.

Taxonomic Classification

Rank	African elephant	Amerika-aka-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Elasmobranchii
Order	Proboscidea (ゾウ目)	Myliobatiformes (トビエイ目)
Family	Elephantidae (Elephants)	Dasyatidae
Genus	Loxodonta (African Elephants)	Hypanus
Species	Loxodonta africana	Hypanus americanus

Evolutionary Relationship

African elephant and Amerika-aka-ei share a common ancestor at the Phylum level: Chordata. (脊索動物)

表示 Phylum: Chordata

Conservation Status

African elephant

VU — Vulnerable

Population: ~415.0K

Trend: Decreasing ↓

Amerika-aka-ei

NT — Near Threatened

Physical Characteristics

Attribute	African elephant	Amerika-aka-ei
Diet	Herbivore	—
Average Lifespan	65 years	—
Average Length	6.0 m	—
Average Weight	6.0 t	—

Habitat & Geographic Range

African elephant

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

Found in Kenya. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Amerika-aka-ei

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

African elephant

地球上最大の陸上動物であるアフリカゾウは体重7,000 kgに達し、サハラ以南のサバンナ、森林、湿地に生息する。成熟した雌が群れを率いる高度に知的な社会構造を持ち、超低周波音やうなり声、接触によって意思疎通する。木を引き倒したり水飲み場を掘ったり種子を散布したりすることで生態系を形成するエンジニア種だが、象牙の密猟や生息地の喪失により個体数は減少しており、危急（VU）とされている。