Long-tailed Sylph vs Scarlet-bellied Mountain-Tanager

Aglaiocercus kingii compared with Anisognathus igniventris

Taxonomic Classification

Rank Long-tailed Sylph Scarlet-bellied Mountain-Tanager
Kingdom same Animalia (حيوانات) Animalia (حيوانات)
Phylum same Chordata (حبليات) Chordata (حبليات)
Class same Aves (طيور) Aves (طيور)
Order Apodiformes (سماميات) Passeriformes (جواثم)
Family Trochilidae Thraupidae
Genus Aglaiocercus Anisognathus
Species Aglaiocercus kingii Anisognathus igniventris

Evolutionary Relationship

Long-tailed Sylph and Scarlet-bellied Mountain-Tanager share a common ancestor at the Class level: Aves. (طيور)

Conservation Status

Long-tailed Sylph

LC — Least Concern

Scarlet-bellied Mountain-Tanager

LC — Least Concern

Physical Characteristics

Attribute Long-tailed Sylph Scarlet-bellied Mountain-Tanager
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.

Scarlet-bellied Mountain-Tanager

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.

Scarlet-bellied Mountain-Tanager

Scarlet-bellied Mountain-Tanager (Anisognathus igniventris) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 4 countries:

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