Bidentate Yellow-shouldered Bat vs large tortoiseshell

Sturnira bidens compared with Nymphalis polychloros

Key Differences

• Bidentate Yellow-shouldered Bat is Least Concern while large tortoiseshell is Critically Endangered.

Taxonomic Classification

Rank	Bidentate Yellow-shouldered Bat	large tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Phyllostomidae	Nymphalidae (Brush-footed Butterflies)
Genus	Sturnira	Nymphalis
Species	Sturnira bidens	Nymphalis polychloros

Evolutionary Relationship

Bidentate Yellow-shouldered Bat and large tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bidentate Yellow-shouldered Bat

LC — Least Concern

large tortoiseshell

CR — Critically Endangered

Physical Characteristics

Attribute	Bidentate Yellow-shouldered Bat	large tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bidentate Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

large tortoiseshell

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 9 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (39 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bidentate Yellow-shouldered Bat

The Bidentate Yellow-shouldered Bat (Sturnira bidens) is a species in the genus Sturnira. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

large tortoiseshell

large tortoiseshell (Nymphalis polychloros) 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.