Great Bittern vs Olive-gray Thomasomys

Botaurus stellaris compared with Thomasomys cinereus

Key Differences

• Great Bittern is Critically Endangered while Olive-gray Thomasomys is Least Concern.

Taxonomic Classification

Rank	Great Bittern	Olive-gray Thomasomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Pelecaniformes (Pelecaniformes)	Rodentia (Rodents)
Family	Ardeidae	Cricetidae
Genus	Botaurus	Thomasomys
Species	Botaurus stellaris	Thomasomys cinereus

Evolutionary Relationship

Great Bittern and Olive-gray Thomasomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Great Bittern

CR — Critically Endangered

Olive-gray Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	Great Bittern	Olive-gray Thomasomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Great Bittern

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Olive-gray Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

Great Bittern

Great Bittern (Botaurus stellaris) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.