Devil weed vs Long-tailed Sylph

Sargassum horneri compared with Aglaiocercus kingii

Key Differences

• Devil weed is Not Evaluated while Long-tailed Sylph is Least Concern.

Taxonomic Classification

Rank	Devil weed	Long-tailed Sylph
Kingdom	Chromista (Chromista)	Animalia (Animals)
Phylum	Ochrophyta (Ochrophyta)	Chordata (Chordates)
Class	Phaeophyceae (Phaeophyceae)	Aves (Birds)
Order	Fucales (Fucales)	Apodiformes (Apodiformes)
Family	Sargassaceae	Trochilidae
Genus	Sargassum	Aglaiocercus
Species	Sargassum horneri	Aglaiocercus kingii

Conservation Status

Devil weed

NE — Not Evaluated

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Devil weed	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Devil weed

Habitat

Native to Asia and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Mexico, Taiwan, and United States.

Long-tailed Sylph

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.