Royal Tern vs Yellow-billed Pintail

Thalasseus maximus compared with Anas georgica

Key Differences

• Royal Tern is Least Concern while Yellow-billed Pintail is Endangered.

Taxonomic Classification

Rank	Royal Tern	Yellow-billed Pintail
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	Thalasseus	Anas
Species	Thalasseus maximus	Anas georgica

Evolutionary Relationship

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

Conservation Status

Royal Tern

LC — Least Concern

Yellow-billed Pintail

EN — Endangered

Physical Characteristics

Attribute	Royal Tern	Yellow-billed Pintail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Royal Tern

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, Sweden, and Venezuela.

Yellow-billed Pintail

Habitat

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

Range

Found across Europe (6 countries) and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Royal Tern

Royal Tern (Thalasseus maximus) 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.

Yellow-billed Pintail

Yellow-billed Pintail (Anas georgica) 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 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway