European otter vs Green Sea Turtle

Lutra lutra compared with Chelonia mydas

Key Differences

European otter is Vulnerable while Green Sea Turtle is Endangered.
European otter is carnivore while Green Sea Turtle is herbivore.
Green Sea Turtle is 20.0x heavier than European otter.
Green Sea Turtle lives longer (80 years vs 10 years).

Taxonomic Classification

Rank	European otter	Green Sea Turtle
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	Mammalia (哺乳動物)	Reptilia (爬行纲)
Order	Carnivora (食肉目)	Testudines (龟鳖目)
Family	Mustelidae (Weasels & Otters)	Cheloniidae (Sea Turtles)
Genus	Lutra (Otters)	Chelonia (Green Sea Turtles)
Species	Lutra lutra	Chelonia mydas

Evolutionary Relationship

European otter and Green Sea Turtle share a common ancestor at the Phylum level: Chordata. (脊索动物门)

查看 Phylum: Chordata

Conservation Status

European otter

VU — Vulnerable

Trend: Stable →

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	European otter	Green Sea Turtle
Diet	Carnivore	Herbivore
Average Lifespan	10 years	80 years
Average Length	1.0 m	1.2 m
Average Weight	10.0 kg	200.0 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.

Green Sea Turtle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Brazil, Costa Rica, Indonesia, and Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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。