brown lemming vs 大翅鯨

Lemmus trimucronatus compared with Megaptera novaeangliae

Key Differences

• brown lemming is Least Concern while 大翅鯨 is Vulnerable.

Taxonomic Classification

Rank	brown lemming	大翅鯨
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Rodentia (啮齿目)	Cetacea (Whales & Dolphins)
Family	Cricetidae	Balaenopteridae (Rorquals)
Genus	Lemmus	Megaptera (Humpback Whales)
Species	Lemmus trimucronatus	Megaptera novaeangliae

Evolutionary Relationship

brown lemming and 大翅鯨 share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

brown lemming

LC — Least Concern

大翅鯨

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Physical Characteristics

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

Habitat & Geographic Range

brown lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

brown lemming

The Brown Lemming (Lemmus trimucronatus) is a species in the genus Lemmus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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。