Buff-bellied Tanager vs Long-tailed Sylph

Thlypopsis inornata compared with Aglaiocercus kingii

Taxonomic Classification

Rank	Buff-bellied Tanager	Long-tailed Sylph
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Passeriformes (Songbirds)	Apodiformes (Apodiformes)
Family	Thraupidae	Trochilidae
Genus	Thlypopsis	Aglaiocercus
Species	Thlypopsis inornata	Aglaiocercus kingii

Evolutionary Relationship

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

Conservation Status

Buff-bellied Tanager

LC — Least Concern

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Buff-bellied Tanager	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Buff-bellied Tanager

Habitat

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

Range

Distributed across Ecuador and Norway.

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Buff-bellied Tanager

The Buff-Bellied Tanager (Thlypopsis inornata) is a species in the genus Thlypopsis. It is currently classified as Least Concern 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:

🇪🇨 Ecuador 🇳🇴 Norway