Gray-backed Tern vs Lesser Noctule

Onychoprion lunatus compared with Nyctalus leisleri

Key Differences

• Gray-backed Tern is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Gray-backed Tern	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	Laridae	Vespertilionidae
Genus	Onychoprion	Nyctalus
Species	Onychoprion lunatus	Nyctalus leisleri

Evolutionary Relationship

Gray-backed Tern and Lesser Noctule share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-backed Tern

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Gray-backed Tern	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-backed Tern

Habitat

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

Range

Found in Norway.

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.