Lesser Noctule vs Thick-billed Spiderhunter

Nyctalus leisleri compared with Arachnothera crassirostris

Key Differences

• Lesser Noctule is Endangered while Thick-billed Spiderhunter is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Thick-billed Spiderhunter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Nectariniidae
Genus	Nyctalus	Arachnothera
Species	Nyctalus leisleri	Arachnothera crassirostris

Evolutionary Relationship

Lesser Noctule and Thick-billed Spiderhunter share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Noctule

EN — Endangered

Thick-billed Spiderhunter

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Thick-billed Spiderhunter
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.

Thick-billed Spiderhunter

Habitat

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

Range

Found in Norway.