Calayan Rail vs small tortoiseshell

Gallirallus calayanensis compared with Aglais urticae

Key Differences

• Calayan Rail is Vulnerable while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Calayan Rail	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Gruiformes (Gruiformes)	Lepidoptera (Butterflies & Moths)
Family	Rallidae	Nymphalidae (Brush-footed Butterflies)
Genus	Gallirallus	Aglais
Species	Gallirallus calayanensis	Aglais urticae

Evolutionary Relationship

Calayan Rail and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Calayan Rail

VU — Vulnerable

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Calayan Rail	small tortoiseshell
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.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway