Common Tern vs Voọc chà vá chân xám

Sterna hirundo compared with Pygathrix cinerea

Key Differences

• Common Tern is Endangered while Voọc chà vá chân xám is Critically Endangered.

Taxonomic Classification

Rank	Common Tern	Voọc chà vá chân xám
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)	Primates (bộ Linh trưởng)
Family	Laridae	Cercopithecidae (Old World Monkeys)
Genus	Sterna	Pygathrix
Species	Sterna hirundo	Pygathrix cinerea

Evolutionary Relationship

Common Tern and Voọc chà vá chân xám share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Common Tern

EN — Endangered

Voọc chà vá chân xám

CR — Critically Endangered

Physical Characteristics

Attribute	Common Tern	Voọc chà vá chân xám
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.

Voọc chà vá chân xám

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.