Common Tern vs Lesser Noctule

Sterna hirundo compared with Nyctalus leisleri

Taxonomic Classification

Rank	Common Tern	Lesser Noctule
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Aves (chim)	Mammalia (lớp Thú)
Order	Charadriiformes (Bộ Choi choi)	Chiroptera (bộ Dơi)
Family	Laridae	Vespertilionidae
Genus	Sterna	Nyctalus
Species	Sterna hirundo	Nyctalus leisleri

Evolutionary Relationship

Common Tern and Lesser Noctule share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Xem Phylum: Chordata

Conservation Status

Common Tern

EN — Endangered

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Common Tern	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Tern

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Common Tern

Common Tern (Sterna hirundo) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.