Peruvian Tern vs Red-billed Duck

Sternula lorata compared with Anas erythrorhyncha

Key Differences

• Peruvian Tern is Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Peruvian Tern	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Charadriiformes (Charadriiformes)	Anseriformes (Anseriformes)
Family	Laridae	Anatidae
Genus	Sternula	Anas
Species	Sternula lorata	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Peruvian Tern

EN — Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Peruvian Tern	Red-billed Duck
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.

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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