Lesser Noctule vs White Siris

Nyctalus leisleri compared with Ailanthus integrifolia

Key Differences

• Lesser Noctule is Endangered while White Siris is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	White Siris
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Chiroptera (Bats)	Sapindales (Sapindales)
Family	Vespertilionidae	Simaroubaceae
Genus	Nyctalus	Ailanthus
Species	Nyctalus leisleri	Ailanthus integrifolia

Conservation Status

Lesser Noctule

EN — Endangered

White Siris

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	White Siris
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.

White Siris

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.