Collared Crescentchest vs Perija Small-eared Shrew

Melanopareia torquata compared with Cryptotis perijensis

Key Differences

• Collared Crescentchest is Least Concern while Perija Small-eared Shrew is Data Deficient.

Taxonomic Classification

Rank	Collared Crescentchest	Perija 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	Melanopareiidae	Soricidae
Genus	Melanopareia	Cryptotis
Species	Melanopareia torquata	Cryptotis perijensis

Evolutionary Relationship

Collared Crescentchest and Perija Small-eared Shrew share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Collared Crescentchest

LC — Least Concern

Perija Small-eared Shrew

DD — Data Deficient

Physical Characteristics

Attribute	Collared Crescentchest	Perija Small-eared Shrew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Collared Crescentchest

Habitat

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

Range

Found in Norway.

Perija Small-eared Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Collared Crescentchest

<em>Melanopareia torquata</em>, the Collared Crescentchest, is a bird in the family Melanopareiidae. This species is assessed as Least Concern on the IUCN Red List. It is native to South America, with its range extending through central Brazil, Bolivia, Paraguay, and Argentina, where it inhabits open dry habitats including cerrado scrubland, grasslands with scattered shrubs, and savanna. The crescentchests, family Melanopareiidae, are a small group of ground-dwelling birds that creep through dense vegetation and are often difficult to observe. The Collared Crescentchest is named for the distinctive dark crescent marking across the breast. Diet information typically includes insects and other invertebrates, though specific data for this species are not enumerated in the available records. Biological measurements such as average length, weight, and lifespan are not specified in available data. Biological traits of this species remain poorly documented in the scientific literature. The species is associated with aerial, terrestrial, and aquatic environments within its range. Its Least Concern status reflects stable populations in South American savanna habitats.