Golden Thomasomys vs Grasshopper Sparrow

Thomasomys aureus compared with Ammodramus savannarum

Key Differences

• Golden Thomasomys is Least Concern while Grasshopper Sparrow is Critically Endangered.

Taxonomic Classification

Rank	Golden Thomasomys	Grasshopper Sparrow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Cricetidae	Passerellidae
Genus	Thomasomys	Ammodramus
Species	Thomasomys aureus	Ammodramus savannarum

Evolutionary Relationship

Golden Thomasomys and Grasshopper Sparrow share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Golden Thomasomys

LC — Least Concern

Grasshopper Sparrow

CR — Critically Endangered

Physical Characteristics

Attribute	Golden Thomasomys	Grasshopper Sparrow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Golden Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Grasshopper Sparrow

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Ecuador, Norway, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador