small tortoiseshell vs Thick-billed Vireo

Aglais urticae compared with Vireo crassirostris

Key Differences

• small tortoiseshell is Near Threatened while Thick-billed Vireo is Least Concern.

Taxonomic Classification

Rank	small tortoiseshell	Thick-billed Vireo
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Passeriformes (Songbirds)
Family	Nymphalidae (Brush-footed Butterflies)	Vireonidae
Genus	Aglais	Vireo
Species	Aglais urticae	Vireo crassirostris

Evolutionary Relationship

small tortoiseshell and Thick-billed Vireo share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

small tortoiseshell

NT — Near Threatened

Thick-billed Vireo

LC — Least Concern

Physical Characteristics

Attribute	small tortoiseshell	Thick-billed Vireo
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Thick-billed Vireo

Habitat

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

Range

Found in Norway.

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 1 countries:

🇳🇴 Norway