Great Gerbil vs Greater Crested Tern

Rhombomys opimus compared with Thalasseus bergii

Taxonomic Classification

Rank	Great Gerbil	Greater Crested Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Muridae (Mice & Rats)	Laridae
Genus	Rhombomys	Thalasseus
Species	Rhombomys opimus	Thalasseus bergii

Evolutionary Relationship

Great Gerbil and Greater Crested Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Great Gerbil

LC — Least Concern

Greater Crested Tern

LC — Least Concern

Physical Characteristics

Attribute	Great Gerbil	Greater Crested Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Great Gerbil

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Greater Crested Tern

Habitat

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

Range

Found in Norway.