Arctic Sulfur vs Irrawaddy dolphin

Colias palaeno compared with Orcaella brevirostris

Key Differences

• Arctic Sulfur is Least Concern while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	Arctic Sulfur	Irrawaddy dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Cetacea (Whales & Dolphins)
Family	Pieridae	Delphinidae (Oceanic Dolphins)
Genus	Colias	Orcaella
Species	Colias palaeno	Orcaella brevirostris

Evolutionary Relationship

Arctic Sulfur and Irrawaddy dolphin share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic Sulfur

LC — Least Concern

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	Arctic Sulfur	Irrawaddy dolphin
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).

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.