Great Thick-knee vs Lesser Noctule

Esacus recurvirostris compared with Nyctalus leisleri

Key Differences

• Great Thick-knee is Near Threatened while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Great Thick-knee	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Chiroptera (Bats)
Family	Burhinidae	Vespertilionidae
Genus	Esacus	Nyctalus
Species	Esacus recurvirostris	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

Great Thick-knee

NT — Near Threatened

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Great Thick-knee	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Great Thick-knee

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.