Olive-gray Thomasomys vs sei whale

Thomasomys cinereus compared with Balaenoptera borealis

Key Differences

• Olive-gray Thomasomys is Least Concern while sei whale is Endangered.

Taxonomic Classification

Rank	Olive-gray Thomasomys	sei whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Cetacea (Whales & Dolphins)
Family	Cricetidae	Balaenopteridae (Rorquals)
Genus	Thomasomys	Balaenoptera (Rorquals)
Species	Thomasomys cinereus	Balaenoptera borealis

Evolutionary Relationship

Olive-gray Thomasomys and sei whale share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Olive-gray Thomasomys

LC — Least Concern

sei whale

EN — Endangered

Physical Characteristics

Attribute	Olive-gray Thomasomys	sei whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Olive-gray Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

sei whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador