Delacour's langur vs Greater Crested Tern

Trachypithecus delacouri compared with Thalasseus bergii

Key Differences

• Delacour's langur is Critically Endangered while Greater Crested Tern is Least Concern.

Taxonomic Classification

Rank	Delacour's langur	Greater Crested 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	Thalasseus
Species	Trachypithecus delacouri	Thalasseus bergii

Evolutionary Relationship

Delacour's langur and Greater Crested Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Delacour's langur

CR — Critically Endangered

Greater Crested Tern

LC — Least Concern

Physical Characteristics

Attribute	Delacour's langur	Greater Crested Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Delacour's langur

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.