Arthur's Stubfoot Toad vs Polar bear

Atelopus arthuri compared with Ursus maritimus

Key Differences

• Arthur's Stubfoot Toad is Critically Endangered while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Arthur's Stubfoot 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	Bufonidae	Ursidae (Bears)
Genus	Atelopus	Ursus (Bears)
Species	Atelopus arthuri	Ursus maritimus

Evolutionary Relationship

Arthur's Stubfoot Toad and Polar bear share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arthur's Stubfoot Toad

CR — Critically Endangered

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Arthur's Stubfoot Toad	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Arthur's Stubfoot 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.

Arthur's Stubfoot Toad

Arthur's stubfoot toad (Atelopus arthuri) is a species in the genus Atelopus. It is classified as Critically Endangered 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.