European otter vs Executioner Treefrog

Lutra lutra compared with Dendropsophus carnifex

Key Differences

• European otter is Vulnerable while Executioner Treefrog is Least Concern.

Taxonomic Classification

Rank	European otter	Executioner Treefrog
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)	Amphibia (两栖动物)
Order	Carnivora (食肉目)	Anura (无尾目)
Family	Mustelidae (Weasels & Otters)	Hylidae
Genus	Lutra (Otters)	Dendropsophus
Species	Lutra lutra	Dendropsophus carnifex

Evolutionary Relationship

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

Conservation Status

European otter

VU — Vulnerable

Trend: Stable →

Executioner Treefrog

LC — Least Concern

Physical Characteristics

Attribute	European otter	Executioner Treefrog
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.

Executioner Treefrog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

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。