Brown eagle-ray vs Mourning Cloak

Aetomylaeus milvus compared with Nymphalis antiopa

Key Differences

• Brown eagle-ray is Endangered while Mourning Cloak is Critically Endangered.

Taxonomic Classification

Rank	Brown eagle-ray	Mourning Cloak
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Elasmobranchii	Insecta (Insects)
Order	Myliobatiformes (Myliobatiformes)	Lepidoptera (Butterflies & Moths)
Family	Myliobatidae	Nymphalidae (Brush-footed Butterflies)
Genus	Aetomylaeus	Nymphalis
Species	Aetomylaeus milvus	Nymphalis antiopa

Evolutionary Relationship

Brown eagle-ray and Mourning Cloak share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brown eagle-ray

EN — Endangered

Mourning Cloak

CR — Critically Endangered

Physical Characteristics

Attribute	Brown eagle-ray	Mourning Cloak
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown eagle-ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Brown eagle-ray

The Brown Eagle-ray (Aetomylaeus milvus) is a species in the genus Aetomylaeus. It is currently classified as Endangered on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

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.