African jointgrass vs Buckelwal

Hemarthria altissima compared with Megaptera novaeangliae

Key Differences

African jointgrass is Least Concern while Buckelwal is Vulnerable.

Taxonomic Classification

Rank	African jointgrass	Buckelwal
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Chordata (脊索動物)
Class	Liliopsida (単子葉植物綱)	Mammalia (哺乳類)
Order	Poales (イネ目)	Cetacea (Whales & Dolphins)
Family	Poaceae (Grass Family)	Balaenopteridae (Rorquals)
Genus	Hemarthria	Megaptera (Humpback Whales)
Species	Hemarthria altissima	Megaptera novaeangliae

Conservation Status

African jointgrass

LC — Least Concern

Buckelwal

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	African jointgrass	Buckelwal
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	15.0 m
Average Weight	—	30.0 t

Habitat & Geographic Range

African jointgrass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and montane grasslands and shrublands, among 7 distinct biome types spanning the Afrotropic and Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Madagascar, Mauritius), Asia (Cyprus, Georgia), North America (Mexico, United States), and South America (4 countries).

Buckelwal

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

African jointgrass

The African jointgrass (Hemarthria altissima) is a species in the genus Hemarthria. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and montane grasslands and shrublands, among 7 distinct biome types spanning the Afrotropic and.

Buckelwal

大型クジラの中で最も曲芸的なクジラのひとつであるザトウクジラは、繁殖期にオスが歌う複雑で神秘的な歌で知られており、数時間にわたって続き時間をかけて変化していきます。体長16m、体重30トンに達し、哺乳類の中で最長の回遊を行います。全海洋に分布し、協調的なバブルネット採餌でオキアミや小魚を捕食します。歴史的な捕鯨後の個体数はおおむね回復しています。