Colombian Small-eared Shrew vs European otter

Cryptotis colombiana compared with Lutra lutra

Key Differences

• Colombian Small-eared Shrew is Least Concern while European otter is Vulnerable.

Taxonomic Classification

Rank	Colombian Small-eared Shrew	European otter
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Mammalia (포유류)	Mammalia (포유류)
Order	Soricomorpha (땃쥐목)	Carnivora (식육목)
Family	Soricidae	Mustelidae (Weasels & Otters)
Genus	Cryptotis	Lutra (Otters)
Species	Cryptotis colombiana	Lutra lutra

Evolutionary Relationship

Colombian Small-eared Shrew and European otter share a common ancestor at the Class level: Mammalia. (포유류)

Conservation Status

Colombian Small-eared Shrew

LC — Least Concern

European otter

VU — Vulnerable

Trend: Stable →

Physical Characteristics

Attribute	Colombian Small-eared Shrew	European otter
Diet	—	Carnivore
Average Lifespan	—	10 years
Average Length	—	1.0 m
Average Weight	—	10.0 kg

Habitat & Geographic Range

Colombian Small-eared Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

European otter

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

European otter

유럽수달(Lutra lutra)은 유럽과 아시아 전역의 깨끗한 강, 개울, 해안선에 서식하는 날렵한 반수생 족제비과 동물입니다. 체장 최대 1.3미터에 달하며 민감한 수염으로 먹이의 움직임을 감지해 물고기를 사냥하는 뛰어난 능력을 가지고 있습니다. 풍부한 물고기가 있는 오염되지 않은 물이 필요하여 담수 생태계 건강의 지표종으로 알려져 있습니다. 한때 사냥과 오염으로 서유럽에서 거의 멸종 위기에 처했지만, 수질 개선 이후 개체수가 크게 회복되었습니다.