Black-Necked Grebe vs Cinnamon-colored Thomasomys

Podiceps nigricollis compared with Thomasomys cinnameus

Key Differences

• Black-Necked Grebe is Endangered while Cinnamon-colored Thomasomys is Least Concern.

Taxonomic Classification

Rank	Black-Necked Grebe	Cinnamon-colored Thomasomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Podicipediformes (Podicipediformes)	Rodentia (Rodents)
Family	Podicipedidae	Cricetidae
Genus	Podiceps	Thomasomys
Species	Podiceps nigricollis	Thomasomys cinnameus

Evolutionary Relationship

Black-Necked Grebe and Cinnamon-colored Thomasomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-Necked Grebe

EN — Endangered

Cinnamon-colored Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	Black-Necked Grebe	Cinnamon-colored Thomasomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-Necked Grebe

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

Found across Europe (5 countries) and North America (United States). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Cinnamon-colored Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Black-Necked Grebe

Black-Necked Grebe (Podiceps nigricollis) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Cinnamon-colored Thomasomys

The Cinnamon-colored Thomasomys (Thomasomys cinnameus) is a species in the genus Thomasomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.