Common Blue vs Gray-shanked Douc Langur

Polyommatus icarus compared with Pygathrix cinerea

Key Differences

• Common Blue is Least Concern while Gray-shanked Douc Langur is Critically Endangered.

Taxonomic Classification

Rank	Common Blue	Gray-shanked Douc Langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Primates (Primates)
Family	Lycaenidae	Cercopithecidae (Old World Monkeys)
Genus	Polyommatus	Pygathrix
Species	Polyommatus icarus	Pygathrix cinerea

Evolutionary Relationship

Common Blue and Gray-shanked Douc Langur share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Blue

LC — Least Concern

Gray-shanked Douc Langur

CR — Critically Endangered

Physical Characteristics

Attribute	Common Blue	Gray-shanked Douc Langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Blue

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (Cyprus), Europe (40 countries), and North America (United States).

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Blue

Common Blue (Polyommatus icarus) 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.