Achallo vs 普通燕鷗

Chinchillula sahamae compared with Sterna hirundo

Key Differences

• Achallo is Least Concern while 普通燕鷗 is Endangered.

Taxonomic Classification

Rank	Achallo	普通燕鷗
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	Mammalia (哺乳動物)	Aves (鳥綱)
Order	Rodentia (啮齿目)	Charadriiformes (鸻形目)
Family	Cricetidae	Laridae
Genus	Chinchillula	Sterna
Species	Chinchillula sahamae	Sterna hirundo

Evolutionary Relationship

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

Conservation Status

Achallo

LC — Least Concern

普通燕鷗

EN — Endangered

Physical Characteristics

Attribute	Achallo	普通燕鷗
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Achallo

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Achallo

The Achallo (Chinchillula sahamae) is a species in the genus Chinchillula. It is currently classified as Least Concern on the IUCN Red List. It typically inhabits diverse terrestrial and aquatic ecosystems.

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。