Bay-Breasted Warbler vs Blind Small-eared Shrew

Setophaga castanea compared with Cryptotis niausa

Key Differences

• Bay-Breasted Warbler is Least Concern while Blind Small-eared Shrew is Data Deficient.

Taxonomic Classification

Rank	Bay-Breasted Warbler	Blind Small-eared Shrew
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Soricomorpha (Soricomorpha)
Family	Parulidae	Soricidae
Genus	Setophaga	Cryptotis
Species	Setophaga castanea	Cryptotis niausa

Evolutionary Relationship

Bay-Breasted Warbler and Blind Small-eared Shrew share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bay-Breasted Warbler

LC — Least Concern

Blind Small-eared Shrew

DD — Data Deficient

Physical Characteristics

Attribute	Bay-Breasted Warbler	Blind Small-eared Shrew
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.

Blind Small-eared Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.

Blind Small-eared Shrew

The Blind Small-eared Shrew (Cryptotis niausa) is a species in the genus Cryptotis. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador