Buffy Helmetcrest vs Long-tailed Sylph

Oxypogon stubelii compared with Aglaiocercus kingii

Key Differences

• Buffy Helmetcrest is Vulnerable while Long-tailed Sylph is Least Concern.

Taxonomic Classification

Rank	Buffy Helmetcrest	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	Oxypogon	Aglaiocercus
Species	Oxypogon stubelii	Aglaiocercus kingii

Evolutionary Relationship

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

Conservation Status

Buffy Helmetcrest

VU — Vulnerable

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Buffy Helmetcrest	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Buffy Helmetcrest

Habitat

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

Range

Distributed across Colombia and Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Buffy Helmetcrest

The Buffy Helmetcrest (Oxypogon stubelii) is a species in the genus Oxypogon. It is currently classified as Vulnerable 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 2 countries:

🇨🇴 Colombia 🇳🇴 Norway