Calayan Rail vs Red-billed Duck

Gallirallus calayanensis compared with Anas erythrorhyncha

Key Differences

• Calayan Rail is Vulnerable while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Calayan Rail	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Gruiformes (Gruiformes)	Anseriformes (Anseriformes)
Family	Rallidae	Anatidae
Genus	Gallirallus	Anas
Species	Gallirallus calayanensis	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Calayan Rail

VU — Vulnerable

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Calayan Rail	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Calayan Rail

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).

Calayan Rail

The Calayan Rail (Gallirallus calayanensis) is a species in the genus Gallirallus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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