Black-headed Ibis vs Long-tailed Sylph

Threskiornis melanocephalus compared with Aglaiocercus kingii

Key Differences

• Black-headed Ibis is Near Threatened while Long-tailed Sylph is Least Concern.

Taxonomic Classification

Rank	Black-headed Ibis	Long-tailed Sylph
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Pelecaniformes (Pelecaniformes)	Apodiformes (Apodiformes)
Family	Threskiornithidae	Trochilidae
Genus	Threskiornis	Aglaiocercus
Species	Threskiornis melanocephalus	Aglaiocercus kingii

Evolutionary Relationship

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

Conservation Status

Black-headed Ibis

NT — Near Threatened

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Black-headed Ibis	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Ibis

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries). 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.

Black-headed Ibis

The Black-headed Ibis (Threskiornis melanocephalus) is a species in the genus Threskiornis. 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