Black-backed Forktail vs Long-tailed Sylph

Enicurus immaculatus compared with Aglaiocercus kingii

Taxonomic Classification

Rank	Black-backed Forktail	Long-tailed Sylph
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Passeriformes (Songbirds)	Apodiformes (Apodiformes)
Family	Muscicapidae	Trochilidae
Genus	Enicurus	Aglaiocercus
Species	Enicurus immaculatus	Aglaiocercus kingii

Evolutionary Relationship

Black-backed Forktail and Long-tailed Sylph share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Black-backed Forktail

LC — Least Concern

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Black-backed Forktail	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-backed Forktail

Habitat

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

Range

Found in Norway.

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Black-backed Forktail

The Black-backed Forktail (Enicurus immaculatus) is a species in the genus Enicurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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 1 countries:

🇳🇴 Norway