Empress Brilliant vs Indochinese Gray Langur

Heliodoxa imperatrix compared with Trachypithecus crepusculus

Key Differences

• Empress Brilliant is Least Concern while Indochinese Gray Langur is Endangered.

Taxonomic Classification

Rank	Empress Brilliant	Indochinese Gray Langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Apodiformes (Apodiformes)	Primates (Primates)
Family	Trochilidae	Cercopithecidae (Old World Monkeys)
Genus	Heliodoxa	Trachypithecus
Species	Heliodoxa imperatrix	Trachypithecus crepusculus

Evolutionary Relationship

Empress Brilliant and Indochinese Gray Langur share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Empress Brilliant

LC — Least Concern

Indochinese Gray Langur

EN — Endangered

Physical Characteristics

Attribute	Empress Brilliant	Indochinese Gray Langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Empress Brilliant

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

Indochinese Gray Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Empress Brilliant

A large, brilliantly colored hummingbird of humid Andean forests in Colombia and Ecuador, male empress brilliants are among the most striking hummingbirds with iridescent green and violet plumage and glittering scales across their throat and breast. Found at elevations between 1,000–2,100 meters in cloud forest. Named in honor of Empress Eugenie of France, these powerful birds aggressively defend territory around flowering trees. Listed as Least Concern with stable populations in remaining Andean forest.