Fairy Tern vs Red-billed Duck

Sternula nereis compared with Anas erythrorhyncha

Key Differences

• Fairy Tern is Vulnerable while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Fairy 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 nereis	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Fairy Tern

VU — Vulnerable

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Fairy Tern	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fairy Tern

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable 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 1 countries:

🇳🇴 Norway