Black-mandibled Toucan vs Gray-backed Tern

Ramphastos ambiguus compared with Onychoprion lunatus

Key Differences

• Black-mandibled Toucan is Vulnerable while Gray-backed Tern is Least Concern.

Taxonomic Classification

Rank	Black-mandibled Toucan	Gray-backed 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	Onychoprion
Species	Ramphastos ambiguus	Onychoprion lunatus

Evolutionary Relationship

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

Conservation Status

Black-mandibled Toucan

VU — Vulnerable

Gray-backed Tern

LC — Least Concern

Physical Characteristics

Attribute	Black-mandibled Toucan	Gray-backed 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.

Gray-backed Tern

Habitat

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

Range

Found in Norway.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway