Alaotra Grebe vs Long-tailed Sylph

Tachybaptus rufolavatus compared with Aglaiocercus kingii

Key Differences

• Alaotra Grebe is Extinct while Long-tailed Sylph is Least Concern.

Taxonomic Classification

Rank	Alaotra Grebe	Long-tailed Sylph
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Podicipediformes (Podicipediformes)	Apodiformes (Apodiformes)
Family	Podicipedidae	Trochilidae
Genus	Tachybaptus	Aglaiocercus
Species	Tachybaptus rufolavatus	Aglaiocercus kingii

Evolutionary Relationship

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

Conservation Status

Alaotra Grebe

EX — Extinct

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Alaotra Grebe	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alaotra Grebe

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.

Alaotra Grebe

The Alaotra Grebe (Tachybaptus rufolavatus) is a species in the genus Tachybaptus. It is currently classified as Extinct 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