Ancient Antwren vs Lesser Noctule

Herpsilochmus gentryi compared with Nyctalus leisleri

Key Differences

• Ancient Antwren is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Ancient Antwren	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Chiroptera (Bats)
Family	Thamnophilidae	Vespertilionidae
Genus	Herpsilochmus	Nyctalus
Species	Herpsilochmus gentryi	Nyctalus leisleri

Evolutionary Relationship

Ancient Antwren and Lesser Noctule share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Ancient Antwren

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Ancient Antwren	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ancient Antwren

Habitat

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

Range

Distributed across Ecuador and Norway.

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Ancient Antwren

The Ancient Antwren (Herpsilochmus gentryi) is a species in the genus Herpsilochmus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.