Bely Medved vs Williamson’s Marsupial Frog

Ursus maritimus compared with Gastrotheca williamsoni

Key Differences

Bely Medved is Vulnerable while Williamson’s Marsupial Frog is Data Deficient.

Taxonomic Classification

Rank	Bely Medved	Williamson’s Marsupial Frog
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Mammalia (млекопитающие)	Amphibia (земноводные)
Order	Carnivora (хищные)	Anura (бесхвостые земноводные)
Family	Ursidae (Bears)	Hemiphractidae
Genus	Ursus (Bears)	Gastrotheca
Species	Ursus maritimus	Gastrotheca williamsoni

Evolutionary Relationship

Bely Medved and Williamson’s Marsupial Frog share a common ancestor at the Phylum level: Chordata. (хордовые)

Просмотреть Phylum: Chordata

Conservation Status

Bely Medved

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Williamson’s Marsupial Frog

DD — Data Deficient

Physical Characteristics

Attribute	Bely Medved	Williamson’s Marsupial Frog
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

Bely Medved

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.

Williamson’s Marsupial Frog

Habitat

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

Range

Found in Venezuela.

Bely Medved

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.