Collins' Squirrel Monkey vs Eurasian pygmy shrew

Saimiri collinsi compared with Sorex minutus

Key Differences

• Collins' Squirrel Monkey is Least Concern while Eurasian pygmy shrew is Vulnerable.

Taxonomic Classification

Rank	Collins' Squirrel Monkey	Eurasian pygmy shrew
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Primates (灵长目)	Soricomorpha (鼩形目)
Family	Cebidae	Soricidae
Genus	Saimiri	Sorex
Species	Saimiri collinsi	Sorex minutus

Evolutionary Relationship

Collins' Squirrel Monkey and Eurasian pygmy shrew share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Collins' Squirrel Monkey

LC — Least Concern

Eurasian pygmy shrew

VU — Vulnerable

Physical Characteristics

Attribute	Collins' Squirrel Monkey	Eurasian pygmy shrew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Collins' Squirrel Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Eurasian pygmy shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Collins' Squirrel Monkey

<em>Saimiri collinsi</em>, commonly known as Collins' Squirrel Monkey, is a primate species belonging to the genus <em>Saimiri</em> within the family Cebidae. Squirrel monkeys are small, highly social New World primates known for their agility in forest canopies and their complex group dynamics. This species is assessed as Least Concern by major conservation bodies, indicating that its populations are not currently considered at high risk of decline, though ongoing deforestation and habitat fragmentation in Amazonian regions may affect future population stability. Collins' Squirrel Monkey inhabits diverse terrestrial and aquatic-adjacent environments typical of tropical forest ecosystems in South America. Specific country-level distributional records are not detailed in current documentation. Dietary information specific to this species has not been recorded, though squirrel monkeys in general are omnivorous, consuming insects, small vertebrates, fruits, and other plant material. Biological traits of this species remain poorly documented in the scientific literature. Research into the taxonomy and ecology of <em>Saimiri collinsi</em> continues to refine understanding of squirrel monkey diversity.

Eurasian pygmy shrew

小鼩鼱（Sorex minutus）在IUCN红色名录中被列为易危（VU）物种。在野外面临高度危险风险，种群数量下降，栖息地压力不断增加。