Long-tailed Sylph vs Redhead

Aglaiocercus kingii compared with Aythya americana

Key Differences

• Long-tailed Sylph is Least Concern while Redhead is Not Evaluated.

Taxonomic Classification

Rank	Long-tailed Sylph	Redhead
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Apodiformes (Apodiformes)	Anseriformes (Anseriformes)
Family	Trochilidae	Anatidae
Genus	Aglaiocercus	Aythya
Species	Aglaiocercus kingii	Aythya americana

Evolutionary Relationship

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

Conservation Status

Long-tailed Sylph

LC — Least Concern

Redhead

NE — Not Evaluated

Physical Characteristics

Attribute	Long-tailed Sylph	Redhead
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.

Redhead

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

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.

Redhead

Redhead (Aythya americana) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway