Peruvian Tern vs Yellow-billed Cacique

Sternula lorata compared with Amblycercus holosericeus

Key Differences

• Peruvian Tern is Endangered while Yellow-billed Cacique is Least Concern.

Taxonomic Classification

Rank	Peruvian 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	Sternula	Amblycercus
Species	Sternula lorata	Amblycercus holosericeus

Evolutionary Relationship

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

Conservation Status

Peruvian Tern

EN — Endangered

Yellow-billed Cacique

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Peruvian Tern

Habitat

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

Range

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

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 2 countries:

🇪🇨 Ecuador 🇳🇴 Norway