American bison vs Common Tern

Bison bison compared with Sterna hirundo

Key Differences

• American bison is Not Evaluated while Common Tern is Endangered.

Taxonomic Classification

Rank	American bison	Common Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Artiodactyla (Even-toed Ungulates)	Charadriiformes (Charadriiformes)
Family	Bovidae (Bovids)	Laridae
Genus	Bison	Sterna
Species	Bison bison	Sterna hirundo

Evolutionary Relationship

American bison and Common Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

American bison

NE — Not Evaluated

Common Tern

EN — Endangered

Physical Characteristics

Attribute	American bison	Common Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American bison

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia).

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.

American bison

The American bison (Bison bison) is a species in the genus Bison. 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.

Shared Countries

Both species can be found in 5 countries:

🇨🇴 Colombia 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden 🇺🇸 United States