Common Big-eared Bat vs Aka-ginzame

Micronycteris microtis compared with Hydrolagus mitsukurii

Key Differences

• Common Big-eared Bat is Least Concern while Aka-ginzame is Near Threatened.

Taxonomic Classification

Rank	Common Big-eared Bat	Aka-ginzame
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Holocephali (全頭亜綱)
Order	Chiroptera (翼手目)	Chimaeriformes (ギンザメ目)
Family	Phyllostomidae	Chimaeridae
Genus	Micronycteris	Hydrolagus
Species	Micronycteris microtis	Hydrolagus mitsukurii

Evolutionary Relationship

Common Big-eared Bat and Aka-ginzame share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Common Big-eared Bat

LC — Least Concern

Aka-ginzame

NT — Near Threatened

Physical Characteristics

Attribute	Common Big-eared Bat	Aka-ginzame
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.

Aka-ginzame

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.