Common Big-eared Bat vs Lesser Yellow-shouldered Bat

Micronycteris microtis compared with Sturnira nana

Key Differences

• Common Big-eared Bat is Least Concern while Lesser Yellow-shouldered Bat is Endangered.

Taxonomic Classification

Rank	Common Big-eared Bat	Lesser Yellow-shouldered Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Chiroptera (Bats)	Chiroptera (Bats)
Family same	Phyllostomidae	Phyllostomidae
Genus	Micronycteris	Sturnira
Species	Micronycteris microtis	Sturnira nana

Evolutionary Relationship

Common Big-eared Bat and Lesser Yellow-shouldered Bat share a common ancestor at the Family level: Phyllostomidae.

Conservation Status

Common Big-eared Bat

LC — Least Concern

Lesser Yellow-shouldered Bat

EN — Endangered

Physical Characteristics

Attribute	Common Big-eared Bat	Lesser Yellow-shouldered Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Lesser Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Common Big-eared Bat

The common big-eared bat (<em>Micronycteris microtis</em>) is a small insectivorous bat belonging to the family Phyllostomidae, native to tropical and subtropical regions of South America. Its range includes Colombia and Venezuela, where it typically inhabits diverse terrestrial and aquatic environments including forests and riparian zones. It is classified as Least Concern on the IUCN Red List, indicating a relatively stable population. As its common name suggests, <em>Micronycteris microtis</em> is distinguished by notably large ears relative to its body size, which enhance its echolocation capabilities for detecting prey and navigating complex forest environments. The species is often associated with lowland and foothill forests, roosting in caves, hollow trees, and dense vegetation. It typically feeds on insects and may also consume small vertebrates or fruit on occasion. Biological traits of this species remain poorly documented in the scientific literature.