Bay-Breasted Warbler vs Brook Alder

Setophaga castanea compared with Alnus maritima

Key Differences

• Bay-Breasted Warbler is Least Concern while Brook Alder is Endangered.

Taxonomic Classification

Rank	Bay-Breasted Warbler	Brook Alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Magnoliopsida (Dicots)
Order	Passeriformes (Songbirds)	Fagales (Beeches & Oaks)
Family	Parulidae	Betulaceae
Genus	Setophaga	Alnus
Species	Setophaga castanea	Alnus maritima

Conservation Status

Bay-Breasted Warbler

LC — Least Concern

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	Bay-Breasted Warbler	Brook Alder
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.

Brook Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Belgium, France, Netherlands, and United Kingdom. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Brook Alder

The Brook Alder (Alnus maritima) is a species in the genus Alnus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.