Barred Warbler vs Long-tailed Sylph

Sylvia nisoria compared with Aglaiocercus kingii

Key Differences

• Barred Warbler is Critically Endangered while Long-tailed Sylph is Least Concern.

Taxonomic Classification

Rank	Barred Warbler	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	Sylviidae	Trochilidae
Genus	Sylvia	Aglaiocercus
Species	Sylvia nisoria	Aglaiocercus kingii

Evolutionary Relationship

Barred Warbler and Long-tailed Sylph share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Barred Warbler

CR — Critically Endangered

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Barred Warbler	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Barred Warbler

Habitat

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

Range

Distributed across Norway and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Barred Warbler

The Barred Warbler (Sylvia nisoria) is a species in the genus Sylvia. It is currently classified as Critically Endangered 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