Brown eagle-ray vs Niceforo Maria’s Oldfield Mouse

Aetomylaeus milvus compared with Thomasomys nicefori

Key Differences

• Brown eagle-ray is Endangered while Niceforo Maria’s Oldfield Mouse is Least Concern.

Taxonomic Classification

Rank	Brown eagle-ray	Niceforo Maria’s Oldfield Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Myliobatidae	Cricetidae
Genus	Aetomylaeus	Thomasomys
Species	Aetomylaeus milvus	Thomasomys nicefori

Evolutionary Relationship

Brown eagle-ray and Niceforo Maria’s Oldfield Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown eagle-ray

EN — Endangered

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Physical Characteristics

Attribute	Brown eagle-ray	Niceforo Maria’s Oldfield Mouse
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.

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.