Allen s Swamp Monkey vs European otter

Allenopithecus nigroviridis compared with Lutra lutra

Key Differences

• Allen s Swamp Monkey is Least Concern while European otter is Vulnerable.

Taxonomic Classification

Rank	Allen s Swamp Monkey	European otter
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	Primates (サル目)	Carnivora (ネコ目)
Family	Cercopithecidae (Old World Monkeys)	Mustelidae (Weasels & Otters)
Genus	Allenopithecus	Lutra (Otters)
Species	Allenopithecus nigroviridis	Lutra lutra

Evolutionary Relationship

Allen s Swamp Monkey and European otter share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Allen s Swamp Monkey

LC — Least Concern

European otter

VU — Vulnerable

Trend: Stable →

Physical Characteristics

Attribute	Allen s Swamp Monkey	European otter
Diet	—	Carnivore
Average Lifespan	—	10 years
Average Length	—	1.0 m
Average Weight	—	10.0 kg

Habitat & Geographic Range

Allen s Swamp Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Allen s Swamp Monkey

The Allen s Swamp Monkey (Allenopithecus nigroviridis) is a species in the genus Allenopithecus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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。