Long-tailed Sylph vs Rooting Bonnet

Aglaiocercus kingii compared with Mycena megaspora

Key Differences

• Long-tailed Sylph is Least Concern while Rooting Bonnet is Vulnerable.

Taxonomic Classification

Rank	Long-tailed Sylph	Rooting Bonnet
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Agaricomycetes (Mushrooms)
Order	Apodiformes (Apodiformes)	Agaricales (Gilled Mushrooms)
Family	Trochilidae	Mycenaceae
Genus	Aglaiocercus	Mycena
Species	Aglaiocercus kingii	Mycena megaspora

Conservation Status

Long-tailed Sylph

LC — Least Concern

Rooting Bonnet

VU — Vulnerable

Physical Characteristics

Attribute	Long-tailed Sylph	Rooting Bonnet
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.

Rooting Bonnet

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

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

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