Bilberry Roller vs White-winged Tern

Ancylis myrtillana compared with Chlidonias leucopterus

Key Differences

• Bilberry Roller is Least Concern while White-winged Tern is Not Evaluated.

Taxonomic Classification

Rank	Bilberry Roller	White-winged Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Charadriiformes (Charadriiformes)
Family	Tortricidae	Laridae
Genus	Ancylis	Chlidonias
Species	Ancylis myrtillana	Chlidonias leucopterus

Evolutionary Relationship

Bilberry Roller and White-winged Tern share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bilberry Roller

LC — Least Concern

White-winged Tern

NE — Not Evaluated

Physical Characteristics

Attribute	Bilberry Roller	White-winged Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bilberry Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

White-winged Tern

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States).

Bilberry Roller

The Bilberry Roller (Ancylis myrtillana) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

White-winged Tern

White-winged Tern (Chlidonias leucopterus) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden