Arnoux's beaked whale vs large tortoiseshell

Berardius arnuxii compared with Nymphalis polychloros

Key Differences

• Arnoux's beaked whale is Least Concern while large tortoiseshell is Critically Endangered.

Taxonomic Classification

Rank	Arnoux's beaked whale	large tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Lepidoptera (Butterflies & Moths)
Family	Hyperoodontidae	Nymphalidae (Brush-footed Butterflies)
Genus	Berardius	Nymphalis
Species	Berardius arnuxii	Nymphalis polychloros

Evolutionary Relationship

Arnoux's beaked whale and large tortoiseshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arnoux's beaked whale

LC — Least Concern

large tortoiseshell

CR — Critically Endangered

Physical Characteristics

Attribute	Arnoux's beaked whale	large tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arnoux's beaked whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Arnoux's beaked whale

The Arnoux's beaked whale, Berardius arnuxii, is a species. It is currently assessed 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.