Chestnut Sac-winged Bat vs Common Starling

Cormura brevirostris compared with Sturnus vulgaris

Key Differences

• Chestnut Sac-winged Bat is Least Concern while Common Starling is Near Threatened.

Taxonomic Classification

Rank	Chestnut Sac-winged Bat	Common Starling
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Emballonuridae	Sturnidae
Genus	Cormura	Sturnus
Species	Cormura brevirostris	Sturnus vulgaris

Evolutionary Relationship

Chestnut Sac-winged Bat and Common Starling share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chestnut Sac-winged Bat

LC — Least Concern

Common Starling

NT — Near Threatened

Physical Characteristics

Attribute	Chestnut Sac-winged Bat	Common Starling
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut Sac-winged Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Common Starling

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical grasslands and savannas, among 9 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (4 countries), Europe (5 countries), North America (6 countries), Oceania and the Pacific (Australia, New Zealand, Tonga), and South America (Argentina, Bolivia, Uruguay). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Chestnut Sac-winged Bat

The Chestnut Sac-winged Bat (Cormura brevirostris) is a species in the genus Cormura. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Common Starling

Common Starling (Sturnus vulgaris) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.