Bonin White-eye vs Long-tailed Sylph

Apalopteron familiare compared with Aglaiocercus kingii

Key Differences

• Bonin White-eye is Near Threatened while Long-tailed Sylph is Least Concern.

Taxonomic Classification

Rank	Bonin White-eye	Long-tailed Sylph
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Aves (chim)	Aves (chim)
Order	Passeriformes (bộ Sẻ)	Apodiformes (Bộ Yến)
Family	Zosteropidae	Trochilidae
Genus	Apalopteron	Aglaiocercus
Species	Apalopteron familiare	Aglaiocercus kingii

Evolutionary Relationship

Bonin White-eye and Long-tailed Sylph share a common ancestor at the Class level: Aves. (chim)

Conservation Status

Bonin White-eye

NT — Near Threatened

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Bonin White-eye	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bonin White-eye

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

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Bonin White-eye

The Bonin White-eye (Apalopteron familiare) is a species in the genus Apalopteron. It is currently classified as Near Threatened 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