False Bruce Spanworm vs Gianna’s Yellow-shouldered Bat

Macaria loricaria compared with Sturnira giannae

Key Differences

• False Bruce Spanworm is Near Threatened while Gianna’s Yellow-shouldered Bat is Least Concern.

Taxonomic Classification

Rank	False Bruce Spanworm	Gianna’s Yellow-shouldered Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Chiroptera (Bats)
Family	Geometridae	Phyllostomidae
Genus	Macaria	Sturnira
Species	Macaria loricaria	Sturnira giannae

Evolutionary Relationship

False Bruce Spanworm and Gianna’s Yellow-shouldered Bat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

False Bruce Spanworm

NT — Near Threatened

Gianna’s Yellow-shouldered Bat

LC — Least Concern

Physical Characteristics

Attribute	False Bruce Spanworm	Gianna’s Yellow-shouldered Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

False Bruce Spanworm

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Gianna’s Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.