Blue Flag vs European otter

Iris versicolor compared with Lutra lutra

Key Differences

• Blue Flag is Not Evaluated while European otter is Vulnerable.

Taxonomic Classification

Rank	Blue Flag	European otter
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Arthropoda (節足動物)	Chordata (脊索動物)
Class	Insecta (昆虫)	Mammalia (哺乳類)
Order	Mantodea (カマキリ目)	Carnivora (ネコ目)
Family	Eremiaphilidae	Mustelidae (Weasels & Otters)
Genus	Iris	Lutra (Otters)
Species	Iris versicolor	Lutra lutra

Evolutionary Relationship

Blue Flag and European otter share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Blue Flag

NE — Not Evaluated

European otter

VU — Vulnerable

Trend: Stable →

Physical Characteristics

Attribute	Blue Flag	European otter
Diet	—	Carnivore
Average Lifespan	—	10 years
Average Length	—	1.0 m
Average Weight	—	10.0 kg

Habitat & Geographic Range

Blue Flag

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (10 countries) and North America (Canada, United States).

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.

Blue Flag

The Blue Flag (Iris versicolor) is a species in the genus Iris. Typically found in virtually all terrestrial and freshwater habitats.

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。

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden