Brown eagle-ray vs Emerald Spreadwing

Aetomylaeus milvus compared with Lestes dryas

Key Differences

• Brown eagle-ray is Endangered while Emerald Spreadwing is Vulnerable.

Taxonomic Classification

Rank	Brown eagle-ray	Emerald Spreadwing
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Chordata (脊索动物门)	Arthropoda (节肢动物门)
Class	Elasmobranchii	Insecta (昆蟲綱)
Order	Myliobatiformes (鱝目)	Odonata (蜻蜓目)
Family	Myliobatidae	Lestidae
Genus	Aetomylaeus	Lestes
Species	Aetomylaeus milvus	Lestes dryas

Evolutionary Relationship

Brown eagle-ray and Emerald Spreadwing share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Brown eagle-ray

EN — Endangered

Emerald Spreadwing

VU — Vulnerable

Physical Characteristics

Attribute	Brown eagle-ray	Emerald Spreadwing
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.

Emerald Spreadwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Vulnerable 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.

Emerald Spreadwing

翠色珍蟌（Lestes dryas）在IUCN红色名录中被列为易危（VU）。该物种在野外面临较高的濒危风险，种群持续下降，栖息地压力不断加剧。