Canadian Otter vs common tree frog

Lontra canadensis compared with Hyla arborea

Key Differences

• Canadian Otter is Least Concern while common tree frog is Critically Endangered.

Taxonomic Classification

Rank	Canadian Otter	common tree frog
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Amphibia (両生類)
Order	Carnivora (ネコ目)	Anura (カエル)
Family	Mustelidae (Weasels & Otters)	Hylidae
Genus	Lontra	Hyla
Species	Lontra canadensis	Hyla arborea

Evolutionary Relationship

Canadian Otter and common tree frog share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Canadian Otter

LC — Least Concern

common tree frog

CR — Critically Endangered

Physical Characteristics

Attribute	Canadian Otter	common tree frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Canadian Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

common tree frog

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (7 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Canadian Otter

The Canadian Otter (Lontra canadensis) is a species in the genus Lontra. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

common tree frog

ヨーロッパアマガエル（Hyla arborea）はIUCNレッドリストで絶滅危惧IA類（CR）に分類されている。著しい個体数減少と生息地喪失により、野生での絶滅リスクが非常に高い。