Gray-backed Tern vs Gray-bellied Rice Rat

Onychoprion lunatus compared with Nephelomys moerex

Key Differences

• Gray-backed Tern is Least Concern while Gray-bellied Rice Rat is Extinct.

Taxonomic Classification

Rank	Gray-backed Tern	Gray-bellied Rice Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Rodentia (Rodents)
Family	Laridae	Cricetidae
Genus	Onychoprion	Nephelomys
Species	Onychoprion lunatus	Nephelomys moerex

Evolutionary Relationship

Gray-backed Tern and Gray-bellied Rice Rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-backed Tern

LC — Least Concern

Gray-bellied Rice Rat

EX — Extinct

Physical Characteristics

Attribute	Gray-backed Tern	Gray-bellied Rice Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-backed Tern

Habitat

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

Range

Found in Norway.

Gray-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.