Olive-gray Thomasomys vs Red-Necked Grebe

Thomasomys cinereus compared with Podiceps grisegena

Key Differences

• Olive-gray Thomasomys is Least Concern while Red-Necked Grebe is Not Evaluated.

Taxonomic Classification

Rank	Olive-gray Thomasomys	Red-Necked Grebe
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Podicipediformes (Podicipediformes)
Family	Cricetidae	Podicipedidae
Genus	Thomasomys	Podiceps
Species	Thomasomys cinereus	Podiceps grisegena

Evolutionary Relationship

Olive-gray Thomasomys and Red-Necked Grebe share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Olive-gray Thomasomys

LC — Least Concern

Red-Necked Grebe

NE — Not Evaluated

Physical Characteristics

Attribute	Olive-gray Thomasomys	Red-Necked Grebe
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.

Red-Necked Grebe

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (5 countries) and North America (United States).

Red-Necked Grebe

Red-Necked Grebe (Podiceps grisegena) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.