brown lemming vs common bottlenose dolphin

Lemmus trimucronatus compared with Tursiops truncatus

Taxonomic Classification

Rank	brown lemming	common bottlenose dolphin
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order	Rodentia (Bộ Gặm nhấm)	Cetacea (Whales & Dolphins)
Family	Cricetidae	Delphinidae (Oceanic Dolphins)
Genus	Lemmus	Tursiops (Bottlenose Dolphins)
Species	Lemmus trimucronatus	Tursiops truncatus

Evolutionary Relationship

brown lemming and common bottlenose dolphin share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

brown lemming

LC — Least Concern

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	brown lemming	common bottlenose dolphin
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

brown lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

common bottlenose dolphin

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 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

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.

common bottlenose dolphin

The most studied and recognized dolphin species, bottlenose dolphins inhabit warm and temperate oceans worldwide, from coastal shallows to the open sea. Highly intelligent with large brains relative to body size, they demonstrate self-recognition, complex communication, and social learning. They live in fluid fission-fusion societies and cooperate to herd fish. A keystone indicator species for marine ecosystem health.