Black-mandibled Toucan vs Common Tern

Ramphastos ambiguus compared with Sterna hirundo

Key Differences

• Black-mandibled Toucan is Vulnerable while Common Tern is Endangered.

Taxonomic Classification

Rank	Black-mandibled Toucan	Common Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Piciformes (Piciformes)	Charadriiformes (Charadriiformes)
Family	Ramphastidae	Laridae
Genus	Ramphastos	Sterna
Species	Ramphastos ambiguus	Sterna hirundo

Evolutionary Relationship

Black-mandibled Toucan and Common Tern share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Black-mandibled Toucan

VU — Vulnerable

Common Tern

EN — Endangered

Physical Characteristics

Attribute	Black-mandibled Toucan	Common Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-mandibled Toucan

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

Black-mandibled Toucan

Black-mandibled Toucan (Ramphastos ambiguus) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

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 4 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway 🇻🇪 Venezuela