Long-tailed Sylph vs Shaded case-bearer

Aglaiocercus kingii compared with Coleophora potentillae

Key Differences

• Long-tailed Sylph is Least Concern while Shaded case-bearer is Near Threatened.

Taxonomic Classification

Rank	Long-tailed Sylph	Shaded case-bearer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Apodiformes (Apodiformes)	Lepidoptera (Butterflies & Moths)
Family	Trochilidae	Coleophoridae
Genus	Aglaiocercus	Coleophora
Species	Aglaiocercus kingii	Coleophora potentillae

Evolutionary Relationship

Long-tailed Sylph and Shaded case-bearer share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Long-tailed Sylph

LC — Least Concern

Shaded case-bearer

NT — Near Threatened

Physical Characteristics

Attribute	Long-tailed Sylph	Shaded case-bearer
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.

Shaded case-bearer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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