Clouded Yellow vs Noctule

Colias croceus compared with Nyctalus noctula

Key Differences

• Clouded Yellow is Least Concern while Noctule is Vulnerable.

Taxonomic Classification

Rank	Clouded Yellow	Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Chiroptera (Bats)
Family	Pieridae	Vespertilionidae
Genus	Colias	Nyctalus
Species	Colias croceus	Nyctalus noctula

Evolutionary Relationship

Clouded Yellow and Noctule share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Clouded Yellow

LC — Least Concern

Noctule

VU — Vulnerable

Physical Characteristics

Attribute	Clouded Yellow	Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Clouded Yellow

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Asia (Cyprus) and Europe (40 countries).

Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Clouded Yellow

Clouded Yellow (Colias croceus) 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.

Noctule

Noctule (Nyctalus noctula) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇳🇴 Norway 🇸🇪 Sweden 🇺🇦 Ukraine