African bitter yam vs 大翅鯨

Dioscorea dumetorum compared with Megaptera novaeangliae

Key Differences

• African bitter yam is Not Evaluated while 大翅鯨 is Vulnerable.

Taxonomic Classification

Rank	African bitter yam	大翅鯨
Kingdom	Plantae (植物)	Animalia (动物界)
Phylum	Magnoliophyta (木兰植物门)	Chordata (脊索动物门)
Class	Liliopsida (百合纲)	Mammalia (哺乳動物)
Order	Dioscoreales (薯蓣目)	Cetacea (Whales & Dolphins)
Family	Dioscoreaceae	Balaenopteridae (Rorquals)
Genus	Dioscorea	Megaptera (Humpback Whales)
Species	Dioscorea dumetorum	Megaptera novaeangliae

Conservation Status

African bitter yam

NE — Not Evaluated

大翅鯨

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	African bitter yam	大翅鯨
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	15.0 m
Average Weight	—	30.0 t

Habitat & Geographic Range

African bitter yam

Habitat

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

Range

Found in Guinea.

大翅鯨

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 bitter yam

The African bitter yam (Dioscorea dumetorum) is a species in the genus Dioscorea. This species inhabits Typically found in grasslands, wetlands, forests, and cultivated landscapes, found across Guinea.

大翅鯨

座头鲸是大型鲸类中最具杂技表演性的物种之一，以繁殖季节雄性演唱的复杂而神秘的歌声著称，歌声有时持续数小时并随时间演变。体长可达16米，体重30吨，进行着哺乳动物中最长距离的洄游。分布于所有大洋，通过协作泡泡网捕食磷虾和小鱼。种群数量已从历史捕鲸后大体恢复。