Eld's Deer vs Gray-backed Tern

Rucervus eldii compared with Onychoprion lunatus

Key Differences

• Eld's Deer is Endangered while Gray-backed Tern is Least Concern.

Taxonomic Classification

Rank	Eld's Deer	Gray-backed Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Artiodactyla (Even-toed Ungulates)	Charadriiformes (Charadriiformes)
Family	Cervidae (Deer)	Laridae
Genus	Rucervus	Onychoprion
Species	Rucervus eldii	Onychoprion lunatus

Evolutionary Relationship

Eld's Deer and Gray-backed Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eld's Deer

EN — Endangered

Gray-backed Tern

LC — Least Concern

Physical Characteristics

Attribute	Eld's Deer	Gray-backed Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eld's Deer

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Gray-backed Tern

Habitat

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

Range

Found in Norway.