Bridge Roller vs Danube Clouded Yellow

Ancylis uncella compared with Colias myrmidone

Key Differences

• Bridge Roller is Least Concern while Danube Clouded Yellow is Endangered.

Taxonomic Classification

Rank	Bridge Roller	Danube Clouded Yellow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Lepidoptera (Butterflies & Moths)	Lepidoptera (Butterflies & Moths)
Family	Tortricidae	Pieridae
Genus	Ancylis	Colias
Species	Ancylis uncella	Colias myrmidone

Evolutionary Relationship

Bridge Roller and Danube Clouded Yellow share a common ancestor at the Order level: Lepidoptera. (Butterflies & Moths)

Conservation Status

Bridge Roller

LC — Least Concern

Danube Clouded Yellow

EN — Endangered

Physical Characteristics

Attribute	Bridge Roller	Danube Clouded Yellow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Danube Clouded Yellow

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (15 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bridge Roller

The Bridge Roller (Ancylis uncella) 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.