Great Knot vs small tortoiseshell

Calidris tenuirostris compared with Aglais urticae

Key Differences

• Great Knot is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Great Knot	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Charadriiformes (Charadriiformes)	Lepidoptera (Butterflies & Moths)
Family	Scolopacidae	Nymphalidae (Brush-footed Butterflies)
Genus	Calidris	Aglais
Species	Calidris tenuirostris	Aglais urticae

Evolutionary Relationship

Great Knot and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Great Knot

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Great Knot	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Great Knot

Habitat

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

Range

Distributed across Norway, Sweden, and Taiwan.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden