Francois' langur vs Gray-backed Tern

Trachypithecus francoisi compared with Onychoprion lunatus

Key Differences

• Francois' langur is Endangered while Gray-backed Tern is Least Concern.

Taxonomic Classification

Rank	Francois' langur	Gray-backed Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Charadriiformes (Charadriiformes)
Family	Cercopithecidae (Old World Monkeys)	Laridae
Genus	Trachypithecus	Onychoprion
Species	Trachypithecus francoisi	Onychoprion lunatus

Evolutionary Relationship

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

Conservation Status

Francois' langur

EN — Endangered

Gray-backed Tern

LC — Least Concern

Physical Characteristics

Attribute	Francois' langur	Gray-backed Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Francois' langur

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.