Big eye chimaera vs Common Big-eared Bat

Hydrolagus macrophthalmus compared with Micronycteris microtis

Taxonomic Classification

Rank	Big eye chimaera	Common Big-eared Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Holocephali (Holocephali)	Mammalia (Mammals)
Order	Chimaeriformes (Chimaeriformes)	Chiroptera (Bats)
Family	Chimaeridae	Phyllostomidae
Genus	Hydrolagus	Micronycteris
Species	Hydrolagus macrophthalmus	Micronycteris microtis

Evolutionary Relationship

Big eye chimaera and Common Big-eared Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big eye chimaera

LC — Least Concern

Common Big-eared Bat

LC — Least Concern

Physical Characteristics

Attribute	Big eye chimaera	Common Big-eared Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big eye chimaera

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile.

Common Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Big eye chimaera

The Big eye chimaera (Hydrolagus macrophthalmus) is a species in the genus Hydrolagus. It is currently classified as Least Concern on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.

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.