Jacobson's Bubble-nest Frog vs Eisbär

Philautus jacobsoni compared with Ursus maritimus

Key Differences

• Jacobson's Bubble-nest Frog is Critically Endangered while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Jacobson's Bubble-nest Frog	Eisbär
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Amphibia (Amphibien)	Mammalia (Säugetiere)
Order	Anura (Froschlurche)	Carnivora (Raubtiere)
Family	Rhacophoridae	Ursidae (Bears)
Genus	Philautus	Ursus (Bears)
Species	Philautus jacobsoni	Ursus maritimus

Evolutionary Relationship

Jacobson's Bubble-nest Frog and Eisbär share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Jacobson's Bubble-nest Frog

CR — Critically Endangered

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Jacobson's Bubble-nest Frog	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Jacobson's Bubble-nest Frog

Habitat

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

Eisbär

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.

Eisbär

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.