Chestnut-headed Crake vs Long-tailed Sylph

Anurolimnas castaneiceps compared with Aglaiocercus kingii

Taxonomic Classification

Rank	Chestnut-headed Crake	Long-tailed Sylph
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Gruiformes (Gruiformes)	Apodiformes (Apodiformes)
Family	Rallidae	Trochilidae
Genus	Anurolimnas	Aglaiocercus
Species	Anurolimnas castaneiceps	Aglaiocercus kingii

Evolutionary Relationship

Chestnut-headed Crake and Long-tailed Sylph share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Chestnut-headed Crake

LC — Least Concern

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Chestnut-headed Crake	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut-headed Crake

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Chestnut-headed Crake

The Chestnut-headed Crake (Anurolimnas castaneiceps) is a species in the genus Anurolimnas. 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 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway