Bitternut vs small tortoiseshell

Carya cordiformis compared with Aglais urticae

Key Differences

• Bitternut is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Bitternut	small tortoiseshell
Kingdom	Plantae (植物)	Animalia (动物界)
Phylum	Magnoliophyta (木兰植物门)	Arthropoda (节肢动物门)
Class	Magnoliopsida (木兰纲)	Insecta (昆蟲綱)
Order	Fagales (壳斗目)	Lepidoptera (鱗翅目)
Family	Juglandaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Carya	Aglais
Species	Carya cordiformis	Aglais urticae

Conservation Status

Bitternut

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Bitternut

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (5 countries) and North America (Canada, United States).

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.

Bitternut

The Bitternut (Carya cordiformis) is a species in the genus Carya. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

small tortoiseshell

小玳瑁蛱蝶(Aglais urticae)在IUCN红色名录中被列为近危(NT)物种。接近符合受威胁种标准，如无保护措施，种群可能变得脆弱。

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇵🇱 Poland 🇬🇧 United Kingdom