Eld's Deer vs Mourning Cloak

Rucervus eldii compared with Nymphalis antiopa

Key Differences

• Eld's Deer is Endangered while Mourning Cloak is Critically Endangered.

Taxonomic Classification

Rank	Eld's Deer	Mourning Cloak
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Artiodactyla (Even-toed Ungulates)	Lepidoptera (Butterflies & Moths)
Family	Cervidae (Deer)	Nymphalidae (Brush-footed Butterflies)
Genus	Rucervus	Nymphalis
Species	Rucervus eldii	Nymphalis antiopa

Evolutionary Relationship

Eld's Deer and Mourning Cloak share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eld's Deer

EN — Endangered

Mourning Cloak

CR — Critically Endangered

Physical Characteristics

Attribute	Eld's Deer	Mourning Cloak
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eld's Deer

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Mourning Cloak

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) and North America (Canada, United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Mourning Cloak

Mourning Cloak (Nymphalis antiopa) 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.