European otter vs small tortoiseshell

Lutra lutra compared with Aglais urticae

Key Differences

European otter is Vulnerable while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	European otter	small tortoiseshell
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Chordata (脊索动物门)	Arthropoda (节肢动物门)
Class	Mammalia (哺乳動物)	Insecta (昆蟲綱)
Order	Carnivora (食肉目)	Lepidoptera (鱗翅目)
Family	Mustelidae (Weasels & Otters)	Nymphalidae (Brush-footed Butterflies)
Genus	Lutra (Otters)	Aglais
Species	Lutra lutra	Aglais urticae

Evolutionary Relationship

European otter and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (动物界)

查看 Kingdom: Animalia

Conservation Status

European otter

VU — Vulnerable

Trend: Stable →

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	European otter	small tortoiseshell
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.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

European otter

欧洲水獭（Lutra lutra）是一种纤细的半水生鼬科动物，分布于欧洲和亚洲的清洁河流、溪流和海岸线。欧洲水獭体长可达1.3米，是技术娴熟的捕鱼者，利用敏感的胡须探测猎物的动向。它们需要鱼类丰富的清洁水域，是淡水生态系统健康状况的指示物种。曾因狩猎和污染在西欧几近灭绝，随着水质改善，种群数量已显著恢复。