Brown eagle-ray vs Greater Crested Tern

Aetomylaeus milvus compared with Thalasseus bergii

Key Differences

• Brown eagle-ray is Endangered while Greater Crested Tern is Least Concern.

Taxonomic Classification

Rank	Brown eagle-ray	Greater Crested Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Myliobatiformes (Myliobatiformes)	Charadriiformes (Charadriiformes)
Family	Myliobatidae	Laridae
Genus	Aetomylaeus	Thalasseus
Species	Aetomylaeus milvus	Thalasseus bergii

Evolutionary Relationship

Brown eagle-ray and Greater Crested Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown eagle-ray

EN — Endangered

Greater Crested Tern

LC — Least Concern

Physical Characteristics

Attribute	Brown eagle-ray	Greater Crested Tern
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.

Greater Crested Tern

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

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.