Arctic Blue vs Red Knot

Agriades aquilo compared with Calidris canutus

Key Differences

• Arctic Blue is Near Threatened while Red Knot is Least Concern.

Taxonomic Classification

Rank	Arctic Blue	Red Knot
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Charadriiformes (Charadriiformes)
Family	Lycaenidae	Scolopacidae
Genus	Agriades	Calidris
Species	Agriades aquilo	Calidris canutus

Evolutionary Relationship

Arctic Blue and Red Knot share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic Blue

NT — Near Threatened

Red Knot

LC — Least Concern

Physical Characteristics

Attribute	Arctic Blue	Red Knot
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Finland, Norway, Russia, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Red Knot

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Arctic Blue

The Arctic Blue (Agriades aquilo) is a species in the genus Agriades. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Red Knot

Red Knot (Calidris canutus) 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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden