Black Duiker vs Calayan Rail

Cephalophus niger compared with Gallirallus calayanensis

Key Differences

• Black Duiker is Least Concern while Calayan Rail is Vulnerable.

Taxonomic Classification

Rank	Black Duiker	Calayan Rail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Artiodactyla (Even-toed Ungulates)	Gruiformes (Gruiformes)
Family	Bovidae (Bovids)	Rallidae
Genus	Cephalophus	Gallirallus
Species	Cephalophus niger	Gallirallus calayanensis

Evolutionary Relationship

Black Duiker and Calayan Rail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black Duiker

LC — Least Concern

Calayan Rail

VU — Vulnerable

Physical Characteristics

Attribute	Black Duiker	Calayan Rail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Duiker

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Black Duiker

The Black Duiker (Cephalophus niger) is a species in the genus Cephalophus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.