Gray-backed Tern vs Yellow-billed Cacique

Onychoprion lunatus compared with Amblycercus holosericeus

Taxonomic Classification

Rank	Gray-backed Tern	Yellow-billed Cacique
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Charadriiformes (Charadriiformes)	Passeriformes (Songbirds)
Family	Laridae	Icteridae
Genus	Onychoprion	Amblycercus
Species	Onychoprion lunatus	Amblycercus holosericeus

Evolutionary Relationship

Gray-backed Tern and Yellow-billed Cacique share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Gray-backed Tern

LC — Least Concern

Yellow-billed Cacique

LC — Least Concern

Physical Characteristics

Attribute	Gray-backed Tern	Yellow-billed Cacique
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-backed Tern

Habitat

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

Range

Found in Norway.

Yellow-billed Cacique

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Yellow-billed Cacique

Yellow-billed Cacique (Amblycercus holosericeus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway