Fieldfare vs small tortoiseshell

Turdus pilaris compared with Aglais urticae

Key Differences

• Fieldfare is Critically Endangered while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Fieldfare	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Passeriformes (Songbirds)	Lepidoptera (Butterflies & Moths)
Family	Turdidae	Nymphalidae (Brush-footed Butterflies)
Genus	Turdus	Aglais
Species	Turdus pilaris	Aglais urticae

Evolutionary Relationship

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

Conservation Status

Fieldfare

CR — Critically Endangered

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Fieldfare	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fieldfare

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Fieldfare

Fieldfare (Turdus pilaris) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden