瓶鼻海豚 vs European otter

Tursiops truncatus compared with Lutra lutra

Key Differences

瓶鼻海豚 is Least Concern while European otter is Vulnerable.
瓶鼻海豚 is 30.0x heavier than European otter.
瓶鼻海豚 lives longer (45 years vs 10 years).

Taxonomic Classification

Rank	瓶鼻海豚	European otter
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	Cetacea (Whales & Dolphins)	Carnivora (食肉目)
Family	Delphinidae (Oceanic Dolphins)	Mustelidae (Weasels & Otters)
Genus	Tursiops (Bottlenose Dolphins)	Lutra (Otters)
Species	Tursiops truncatus	Lutra lutra

Evolutionary Relationship

瓶鼻海豚 and European otter share a common ancestor at the Class level: Mammalia. (哺乳動物)

查看 Class: Mammalia

Conservation Status

瓶鼻海豚

LC — Least Concern

Population: ~600.0K

Trend: Stable →

European otter

VU — Vulnerable

Trend: Stable →

Physical Characteristics

Attribute	瓶鼻海豚	European otter
Diet	Carnivore	Carnivore
Average Lifespan	45 years	10 years
Average Length	3.0 m	1.0 m
Average Weight	300.0 kg	10.0 kg

Habitat & Geographic Range

瓶鼻海豚

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 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

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.

瓶鼻海豚

作为研究最广泛、最受认可的海豚物种，宽吻海豚栖息于全球从沿岸浅水到远洋的温暖和温带海域。高度智能，大脑相对体型较大，展示自我认知、复杂交流和社会学习。生活在流动的分裂-融合社会中，合作围捕鱼群。是海洋生态系统健康的关键指示物种。

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。