Medium Tree-Finch vs Narrow-headed Vole

Camarhynchus pauper compared with Microtus gregalis

Key Differences

• Medium Tree-Finch is Critically Endangered while Narrow-headed Vole is Least Concern.

Taxonomic Classification

Rank	Medium Tree-Finch	Narrow-headed Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Rodentia (Rodents)
Family	Thraupidae	Cricetidae
Genus	Camarhynchus	Microtus
Species	Camarhynchus pauper	Microtus gregalis

Evolutionary Relationship

Medium Tree-Finch and Narrow-headed Vole share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Medium Tree-Finch

CR — Critically Endangered

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

Attribute	Medium Tree-Finch	Narrow-headed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Medium Tree-Finch

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

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

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.