Brown Fish-Owl vs Long-tailed Sylph

Ketupa zeylonensis compared with Aglaiocercus kingii

Taxonomic Classification

Rank	Brown Fish-Owl	Long-tailed Sylph
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Strigiformes (Owls)	Apodiformes (Apodiformes)
Family	Strigidae (True Owls)	Trochilidae
Genus	Ketupa	Aglaiocercus
Species	Ketupa zeylonensis	Aglaiocercus kingii

Evolutionary Relationship

Brown Fish-Owl and Long-tailed Sylph share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Brown Fish-Owl

LC — Least Concern

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Brown Fish-Owl	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Fish-Owl

Habitat

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

Range

Found in Norway.

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Brown Fish-Owl

The Brown Fish-owl (Ketupa zeylonensis) is a species in the genus Ketupa. 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 1 countries:

🇳🇴 Norway