Long-tailed Sylph vs Red-headed Parrotfinch

Aglaiocercus kingii compared with Erythrura cyaneovirens

Key Differences

• Long-tailed Sylph is Least Concern while Red-headed Parrotfinch is Near Threatened.

Taxonomic Classification

Rank	Long-tailed Sylph	Red-headed Parrotfinch
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Apodiformes (Apodiformes)	Passeriformes (Songbirds)
Family	Trochilidae	Estrildidae
Genus	Aglaiocercus	Erythrura
Species	Aglaiocercus kingii	Erythrura cyaneovirens

Evolutionary Relationship

Long-tailed Sylph and Red-headed Parrotfinch share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Long-tailed Sylph

LC — Least Concern

Red-headed Parrotfinch

NT — Near Threatened

Physical Characteristics

Attribute	Long-tailed Sylph	Red-headed Parrotfinch
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Red-headed Parrotfinch

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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