Allen’s Common Mustached Bat vs Grasshopper Sparrow

Pteronotus fuscus compared with Ammodramus savannarum

Key Differences

Allen’s Common Mustached Bat is Least Concern while Grasshopper Sparrow is Critically Endangered.

Taxonomic Classification

Rank	Allen’s Common Mustached Bat	Grasshopper Sparrow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Mormoopidae	Passerellidae
Genus	Pteronotus	Ammodramus
Species	Pteronotus fuscus	Ammodramus savannarum

Evolutionary Relationship

Allen’s Common Mustached Bat and Grasshopper Sparrow share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

Allen’s Common Mustached Bat

LC — Least Concern

Grasshopper Sparrow

CR — Critically Endangered

Physical Characteristics

Attribute	Allen’s Common Mustached Bat	Grasshopper Sparrow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen’s Common Mustached Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.

Allen’s Common Mustached Bat

The Allen’s Common Mustached Bat (Pteronotus fuscus) is a species in the genus Pteronotus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.