Base-lined Grey vs Colombian Small-eared Shrew

Scoparia basistrigalis compared with Cryptotis colombiana

Key Differences

• Base-lined Grey is Near Threatened while Colombian Small-eared Shrew is Least Concern.

Taxonomic Classification

Rank	Base-lined Grey	Colombian Small-eared Shrew
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum	Arthropoda (절지동물)	Chordata (척삭동물)
Class	Insecta (곤충)	Mammalia (포유류)
Order	Lepidoptera (나비목)	Soricomorpha (땃쥐목)
Family	Crambidae	Soricidae
Genus	Scoparia	Cryptotis
Species	Scoparia basistrigalis	Cryptotis colombiana

Evolutionary Relationship

Base-lined Grey and Colombian Small-eared Shrew share a common ancestor at the Kingdom level: Animalia. (동물)

Conservation Status

Base-lined Grey

NT — Near Threatened

Colombian Small-eared Shrew

LC — Least Concern

Physical Characteristics

Attribute	Base-lined Grey	Colombian Small-eared Shrew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Base-lined Grey

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Colombian Small-eared Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Base-lined Grey

The Base-lined Grey (Scoparia basistrigalis) is a species in the genus Scoparia. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Colombian Small-eared Shrew

<em>Cryptotis colombiana</em>, the Colombian small-eared shrew, is a diminutive insectivorous mammal belonging to the family Soricidae, endemic to Colombia. This species typically inhabits montane environments, including humid cloud forests and high-altitude grasslands known locally as páramo, where it forages actively through leaf litter and soil for invertebrate prey. Small-eared shrews of the genus <em>Cryptotis</em> are characterised by their notably reduced external ears, high metabolic rates, and nearly constant activity cycles driven by the energetic demands of maintaining body temperature. <em>Cryptotis colombiana</em> is currently assessed as Least Concern by the IUCN, suggesting that its population is relatively stable within its Colombian range. Despite this status, Andean shrews face ongoing pressures from land conversion, cattle grazing in páramo ecosystems, and climate-driven shifts in vegetation zones. The species contributes to soil aeration and invertebrate population regulation within its montane habitat. Biological traits of this species remain poorly documented in the scientific literature.