Mourning Cloak vs Olive-gray Thomasomys

Nymphalis antiopa compared with Thomasomys cinereus

Key Differences

• Mourning Cloak is Critically Endangered while Olive-gray Thomasomys is Least Concern.

Taxonomic Classification

Rank	Mourning Cloak	Olive-gray Thomasomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Nymphalidae (Brush-footed Butterflies)	Cricetidae
Genus	Nymphalis	Thomasomys
Species	Nymphalis antiopa	Thomasomys cinereus

Evolutionary Relationship

Mourning Cloak and Olive-gray Thomasomys share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Mourning Cloak

CR — Critically Endangered

Olive-gray Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	Mourning Cloak	Olive-gray Thomasomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Olive-gray Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

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.