Empress Brilliant vs Long-tailed Sylph

Heliodoxa imperatrix compared with Aglaiocercus kingii

Taxonomic Classification

Rank	Empress Brilliant	Long-tailed Sylph
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Apodiformes (Apodiformes)	Apodiformes (Apodiformes)
Family same	Trochilidae	Trochilidae
Genus	Heliodoxa	Aglaiocercus
Species	Heliodoxa imperatrix	Aglaiocercus kingii

Evolutionary Relationship

Empress Brilliant and Long-tailed Sylph share a common ancestor at the Family level: Trochilidae.

Conservation Status

Empress Brilliant

LC — Least Concern

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Empress Brilliant	Long-tailed Sylph
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.

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.

Long-tailed Sylph

One of the most strikingly ornamented hummingbirds, male long-tailed sylphs have iridescent green plumage and dramatically elongated, ribbon-like outer tail feathers reaching up to 22 cm — over three times the body length. Found in Andean cloud forests of Colombia and Venezuela, they inhabit humid montane forest between 1,400–2,800 meters elevation. Males perform elaborate display flights to attract females. Their extravagant tails are a classic example of sexual selection via female preference.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway