Deer Oak vs Long-tailed Sylph

Quercus sadleriana compared with Aglaiocercus kingii

Key Differences

• Deer Oak is Near Threatened while Long-tailed Sylph is Least Concern.

Taxonomic Classification

Rank	Deer Oak	Long-tailed Sylph
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Aves (Birds)
Order	Fagales (Beeches & Oaks)	Apodiformes (Apodiformes)
Family	Fagaceae (Beech Family)	Trochilidae
Genus	Quercus (Oaks)	Aglaiocercus
Species	Quercus sadleriana	Aglaiocercus kingii

Conservation Status

Deer Oak

NT — Near Threatened

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Deer Oak	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Deer Oak

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.