大翅鯨 vs Pacific yam

Megaptera novaeangliae compared with Dioscorea nummularia

Key Differences

• 大翅鯨 is Vulnerable while Pacific yam is Near Threatened.

Taxonomic Classification

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

Conservation Status

大翅鯨

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Pacific yam

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

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.

Pacific yam

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

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。