Bay-Breasted Warbler vs Little Black Serotine

Setophaga castanea compared with Eptesicus andinus

Taxonomic Classification

Rank	Bay-Breasted Warbler	Little Black Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Chiroptera (Bats)
Family	Parulidae	Vespertilionidae
Genus	Setophaga	Eptesicus
Species	Setophaga castanea	Eptesicus andinus

Evolutionary Relationship

Bay-Breasted Warbler and Little Black Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bay-Breasted Warbler

LC — Least Concern

Little Black Serotine

LC — Least Concern

Physical Characteristics

Attribute	Bay-Breasted Warbler	Little Black Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bay-Breasted Warbler

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela.

Little Black Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Bay-Breasted Warbler

Bay-Breasted Warbler (Setophaga castanea) 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 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela