Big Naked-backed Bat vs Chestnut-breasted Whiteface

Pteronotus gymnonotus compared with Aphelocephala pectoralis

Key Differences

• Big Naked-backed Bat is Least Concern while Chestnut-breasted Whiteface is Near Threatened.

Taxonomic Classification

Rank	Big Naked-backed Bat	Chestnut-breasted Whiteface
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Mormoopidae	Acanthizidae
Genus	Pteronotus	Aphelocephala
Species	Pteronotus gymnonotus	Aphelocephala pectoralis

Evolutionary Relationship

Big Naked-backed Bat and Chestnut-breasted Whiteface share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Naked-backed Bat

LC — Least Concern

Chestnut-breasted Whiteface

NT — Near Threatened

Physical Characteristics

Attribute	Big Naked-backed Bat	Chestnut-breasted Whiteface
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Naked-backed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Chestnut-breasted Whiteface

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

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

Big Naked-backed Bat

The Big Naked-backed Bat (Pteronotus gymnonotus) is a species in the genus Pteronotus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Chestnut-breasted Whiteface

The Chestnut-breasted Whiteface (Aphelocephala pectoralis) is a species in the genus Aphelocephala. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.