Lesser Noctule vs Rufous-tailed Flatbill

Nyctalus leisleri compared with Ramphotrigon ruficauda

Key Differences

• Lesser Noctule is Endangered while Rufous-tailed Flatbill is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Rufous-tailed Flatbill
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Tyrannidae
Genus	Nyctalus	Ramphotrigon
Species	Nyctalus leisleri	Ramphotrigon ruficauda

Evolutionary Relationship

Lesser Noctule and Rufous-tailed Flatbill share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Noctule

EN — Endangered

Rufous-tailed Flatbill

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Rufous-tailed Flatbill
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Rufous-tailed Flatbill

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.