Azure Roller vs Long-tailed Sylph

Eurystomus azureus compared with Aglaiocercus kingii

Key Differences

• Azure Roller is Near Threatened while Long-tailed Sylph is Least Concern.

Taxonomic Classification

Rank	Azure Roller	Long-tailed Sylph
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Coraciiformes (Coraciiformes)	Apodiformes (Apodiformes)
Family	Coraciidae	Trochilidae
Genus	Eurystomus	Aglaiocercus
Species	Eurystomus azureus	Aglaiocercus kingii

Evolutionary Relationship

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

Conservation Status

Azure Roller

NT — Near Threatened

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Azure Roller	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Azure Roller

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Azure Roller

The Azure Roller (Eurystomus azureus) is a species in the genus Eurystomus. It is currently classified as Near Threatened 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