Chaochiao Lazy Toad vs Polar bear

Oreolalax rugosus compared with Ursus maritimus

Key Differences

• Chaochiao Lazy Toad is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Chaochiao Lazy Toad	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Anura (Frogs & Toads)	Carnivora (Carnivorans)
Family	Megophryidae	Ursidae (Bears)
Genus	Oreolalax	Ursus (Bears)
Species	Oreolalax rugosus	Ursus maritimus

Evolutionary Relationship

Chaochiao Lazy Toad and Polar bear share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chaochiao Lazy Toad

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Chaochiao Lazy Toad	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Chaochiao Lazy Toad

Habitat

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

Polar bear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Chaochiao Lazy Toad

The Chaochiao Lazy Toad (Oreolalax rugosus) is a species in the genus Oreolalax. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

Polar bear

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.