Lesser Noctule vs Yellow-browed Sparrow

Nyctalus leisleri compared with Ammodramus aurifrons

Key Differences

• Lesser Noctule is Endangered while Yellow-browed Sparrow is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Yellow-browed Sparrow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Passerellidae
Genus	Nyctalus	Ammodramus
Species	Nyctalus leisleri	Ammodramus aurifrons

Evolutionary Relationship

Lesser Noctule and Yellow-browed Sparrow share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Noctule

EN — Endangered

Yellow-browed Sparrow

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Yellow-browed Sparrow
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.

Yellow-browed Sparrow

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Yellow-browed Sparrow

Yellow-browed Sparrow (Ammodramus aurifrons) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.