Bidentate Yellow-shouldered Bat vs Green-tailed Trainbearer

Sturnira bidens compared with Lesbia nuna

Taxonomic Classification

Rank	Bidentate Yellow-shouldered Bat	Green-tailed Trainbearer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Apodiformes (Apodiformes)
Family	Phyllostomidae	Trochilidae
Genus	Sturnira	Lesbia
Species	Sturnira bidens	Lesbia nuna

Evolutionary Relationship

Bidentate Yellow-shouldered Bat and Green-tailed Trainbearer share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bidentate Yellow-shouldered Bat

LC — Least Concern

Green-tailed Trainbearer

LC — Least Concern

Physical Characteristics

Attribute	Bidentate Yellow-shouldered Bat	Green-tailed Trainbearer
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bidentate Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Green-tailed Trainbearer

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Bidentate Yellow-shouldered Bat

The Bidentate Yellow-shouldered Bat (Sturnira bidens) is a species in the genus Sturnira. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Green-tailed Trainbearer

A medium-sized Andean hummingbird with a long, deeply forked green tail — the longest tail relative to body size among trainbearer hummingbirds — male green-tailed trainbearers inhabit open grassland, scrub, and Andean hedgerows from Ecuador to Bolivia at elevations of 2,000–4,000 meters. Males perform aerial display flights with the ornamental tail streaming behind. Found in semi-open Andean landscapes including gardens, agricultural areas, and páramo edges where they feed at diverse flowering plants.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela