Ancient Murrelet vs Long-tailed Sylph

Synthliboramphus antiquus compared with Aglaiocercus kingii

Taxonomic Classification

Rank	Ancient Murrelet	Long-tailed Sylph
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Charadriiformes (Charadriiformes)	Apodiformes (Apodiformes)
Family	Alcidae	Trochilidae
Genus	Synthliboramphus	Aglaiocercus
Species	Synthliboramphus antiquus	Aglaiocercus kingii

Evolutionary Relationship

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

Conservation Status

Ancient Murrelet

LC — Least Concern

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Ancient Murrelet	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ancient Murrelet

Habitat

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

Range

Distributed across Norway and United States.

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Ancient Murrelet

The Ancient Murrelet (Synthliboramphus antiquus) is a species in the genus Synthliboramphus. 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