Eastern Small-Footed Bat vs Green-tailed Trainbearer

Myotis leibii compared with Lesbia nuna

Key Differences

• Eastern Small-Footed Bat is Endangered while Green-tailed Trainbearer is Least Concern.

Taxonomic Classification

Rank	Eastern Small-Footed 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	Vespertilionidae	Trochilidae
Genus	Myotis	Lesbia
Species	Myotis leibii	Lesbia nuna

Evolutionary Relationship

Eastern Small-Footed Bat and Green-tailed Trainbearer share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eastern Small-Footed Bat

EN — Endangered

Green-tailed Trainbearer

LC — Least Concern

Physical Characteristics

Attribute	Eastern Small-Footed Bat	Green-tailed Trainbearer
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eastern Small-Footed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Green-tailed Trainbearer

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.