Gray Crowned-Crane vs Long-tailed Sylph

Balearica regulorum compared with Aglaiocercus kingii

Key Differences

• Gray Crowned-Crane is Endangered while Long-tailed Sylph is Least Concern.

Taxonomic Classification

Rank	Gray Crowned-Crane	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	Gruidae	Trochilidae
Genus	Balearica	Aglaiocercus
Species	Balearica regulorum	Aglaiocercus kingii

Evolutionary Relationship

Gray Crowned-Crane and Long-tailed Sylph share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Gray Crowned-Crane

EN — Endangered

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Gray Crowned-Crane	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray Crowned-Crane

Habitat

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

Range

Found across Asia (United Arab Emirates) and Europe (6 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Gray Crowned-Crane

Gray Crowned-Crane (Balearica regulorum) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

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