Butterfly ray vs Niceforo Maria’s Oldfield Mouse

Gymnura micrura compared with Thomasomys nicefori

Key Differences

• Butterfly ray is Near Threatened while Niceforo Maria’s Oldfield Mouse is Least Concern.

Taxonomic Classification

Rank	Butterfly 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	Gymnuridae	Cricetidae
Genus	Gymnura	Thomasomys
Species	Gymnura micrura	Thomasomys nicefori

Evolutionary Relationship

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

Conservation Status

Butterfly ray

NT — Near Threatened

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Physical Characteristics

Attribute	Butterfly ray	Niceforo Maria’s Oldfield Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Butterfly ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Butterfly ray

The Butterfly ray (Gymnura micrura) is a species in the genus Gymnura. It is currently classified as Near Threatened on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.