Forster's Tern vs Lesser Noctule

Sterna forsteri compared with Nyctalus leisleri

Key Differences

• Forster's Tern is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Forster's 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	Sterna	Nyctalus
Species	Sterna forsteri	Nyctalus leisleri

Evolutionary Relationship

Forster's Tern and Lesser Noctule share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Forster's Tern

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Forster's Tern	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Forster's Tern

Habitat

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

Range

Distributed across Belgium, Colombia, Norway, Sweden, and United States.

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.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden