Lesser Yellow-shouldered Bat vs Rufous-headed Pygmy-Tyrant

Sturnira nana compared with Pseudotriccus ruficeps

Key Differences

• Lesser Yellow-shouldered Bat is Endangered while Rufous-headed Pygmy-Tyrant is Least Concern.

Taxonomic Classification

Rank	Lesser Yellow-shouldered Bat	Rufous-headed Pygmy-Tyrant
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Phyllostomidae	Tyrannidae
Genus	Sturnira	Pseudotriccus
Species	Sturnira nana	Pseudotriccus ruficeps

Evolutionary Relationship

Lesser Yellow-shouldered Bat and Rufous-headed Pygmy-Tyrant share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Yellow-shouldered Bat

EN — Endangered

Rufous-headed Pygmy-Tyrant

LC — Least Concern

Physical Characteristics

Attribute	Lesser Yellow-shouldered Bat	Rufous-headed Pygmy-Tyrant
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Rufous-headed Pygmy-Tyrant

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

Rufous-headed Pygmy-Tyrant

Rufous-headed Pygmy-Tyrant (Pseudotriccus ruficeps) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador