Lesser Noctule vs Pacific Flatbill

Nyctalus leisleri compared with Rhynchocyclus pacificus

Key Differences

• Lesser Noctule is Endangered while Pacific Flatbill is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Pacific 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	Rhynchocyclus
Species	Nyctalus leisleri	Rhynchocyclus pacificus

Evolutionary Relationship

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

Conservation Status

Lesser Noctule

EN — Endangered

Pacific Flatbill

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Pacific 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.

Pacific Flatbill

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.