普通燕鷗 vs Harmless Serotine

Sterna hirundo compared with Eptesicus innoxius

Key Differences

• 普通燕鷗 is Endangered while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	普通燕鷗	Harmless Serotine
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Aves (鳥綱)	Mammalia (哺乳動物)
Order	Charadriiformes (鸻形目)	Chiroptera (翼手目)
Family	Laridae	Vespertilionidae
Genus	Sterna	Eptesicus
Species	Sterna hirundo	Eptesicus innoxius

Evolutionary Relationship

普通燕鷗 and Harmless Serotine share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

普通燕鷗

EN — Endangered

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	普通燕鷗	Harmless Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

普通燕鷗

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.

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

普通燕鷗

普通燕鸥（Sterna hirundo）在IUCN红色名录中被列为濒危（EN）。在野外面临较高的灭绝风险，种群数量显著下降，生存威胁持续存在。

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador