Common Blue vs Crowned Sifaka

Polyommatus icarus compared with Propithecus coronatus

Key Differences

• Common Blue is Least Concern while Crowned Sifaka is Critically Endangered.

Taxonomic Classification

Rank	Common Blue	Crowned Sifaka
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Primates (Primates)
Family	Lycaenidae	Indriidae
Genus	Polyommatus	Propithecus
Species	Polyommatus icarus	Propithecus coronatus

Evolutionary Relationship

Common Blue and Crowned Sifaka share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Blue

LC — Least Concern

Crowned Sifaka

CR — Critically Endangered

Physical Characteristics

Attribute	Common Blue	Crowned Sifaka
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).

Crowned Sifaka

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.