Giant Furrow Bee vs Long-tailed Sylph

Halictus quadricinctus compared with Aglaiocercus kingii

Key Differences

• Giant Furrow Bee is Critically Endangered while Long-tailed Sylph is Least Concern.

Taxonomic Classification

Rank	Giant Furrow Bee	Long-tailed Sylph
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Hymenoptera (Ants, Bees & Wasps)	Apodiformes (Apodiformes)
Family	Halictidae	Trochilidae
Genus	Halictus	Aglaiocercus
Species	Halictus quadricinctus	Aglaiocercus kingii

Evolutionary Relationship

Giant Furrow Bee and Long-tailed Sylph share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Giant Furrow Bee

CR — Critically Endangered

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Giant Furrow Bee	Long-tailed Sylph
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Giant Furrow Bee

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and montane grasslands and shrublands within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Denmark, Ethiopia, Norway, and Sweden. Currently classified as Critically 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.

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