Arctic Sulfur vs Danube Clouded Yellow

Colias palaeno compared with Colias myrmidone

Key Differences

• Arctic Sulfur is Least Concern while Danube Clouded Yellow is Endangered.

Taxonomic Classification

Rank	Arctic Sulfur	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 same	Pieridae	Pieridae
Genus same	Colias	Colias
Species	Colias palaeno	Colias myrmidone

Evolutionary Relationship

Arctic Sulfur and Danube Clouded Yellow share a common ancestor at the Genus level: Colias.

Conservation Status

Arctic Sulfur

LC — Least Concern

Danube Clouded Yellow

EN — Endangered

Physical Characteristics

Attribute	Arctic Sulfur	Danube Clouded Yellow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Sulfur

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (24 countries).

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.

Arctic Sulfur

Arctic Sulfur (Colias palaeno) 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 12 countries:

🇦🇹 Austria 🇧🇾 Belarus 🇨🇿 Czech Republic 🇩🇪 Germany 🇭🇺 Hungary 🇱🇻 Latvia 🇱🇹 Lithuania 🇵🇱 Poland 🇷🇴 Romania 🇷🇺 Russia 🇸🇰 Slovakia 🇺🇦 Ukraine