European otter vs Little Ground Squirrel

Lutra lutra compared with Spermophilus pygmaeus

Key Differences

European otter is Vulnerable while Little Ground Squirrel is Least Concern.

Taxonomic Classification

Rank	European otter	Little Ground Squirrel
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Carnivora (ネコ目)	Rodentia (ネズミ目)
Family	Mustelidae (Weasels & Otters)	Sciuridae (Squirrels)
Genus	Lutra (Otters)	Spermophilus
Species	Lutra lutra	Spermophilus pygmaeus

Evolutionary Relationship

European otter and Little Ground Squirrel share a common ancestor at the Class level: Mammalia. (哺乳類)

表示 Class: Mammalia

Conservation Status

European otter

VU — Vulnerable

Trend: Stable →

Little Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	European otter	Little Ground Squirrel
Diet	Carnivore	—
Average Lifespan	10 years	—
Average Length	1.0 m	—
Average Weight	10.0 kg	—

Habitat & Geographic Range

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.

Little Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Russia and Ukraine.

European otter

ヨーロッパカワウソ（Lutra lutra）はヨーロッパとアジア全域の清流、渓流、海岸線に生息するスリムな半水生のイタチ科動物です。体長最大1.3メートルに達し、敏感なヒゲで獲物の動きを感知して魚を狩る非常に優れた能力を持っています。豊富な魚がいる汚染されていない水が必要で、淡水生態系の健全性の指標種として知られています。かつて狩猟と汚染によって西ヨーロッパでほぼ絶滅の危機に瀕していましたが、水質改善に伴い個体数が大幅に回復しました。