Grasshopper Sparrow vs Gray-headed Flying Fox

Ammodramus savannarum compared with Pteropus poliocephalus

Key Differences

• Grasshopper Sparrow is Critically Endangered while Gray-headed Flying Fox is Vulnerable.

Taxonomic Classification

Rank	Grasshopper Sparrow	Gray-headed Flying Fox
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Chiroptera (Bats)
Family	Passerellidae	Pteropodidae (Fruit Bats)
Genus	Ammodramus	Pteropus (Flying Foxes)
Species	Ammodramus savannarum	Pteropus poliocephalus

Evolutionary Relationship

Grasshopper Sparrow and Gray-headed Flying Fox share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Grasshopper Sparrow

CR — Critically Endangered

Gray-headed Flying Fox

VU — Vulnerable

Physical Characteristics

Attribute	Grasshopper Sparrow	Gray-headed Flying Fox
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Gray-headed Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.