Common Poison-arrow Frog vs Polar bear

Oophaga histrionica compared with Ursus maritimus

Key Differences

• Common Poison-arrow Frog is Critically Endangered while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Common Poison-arrow Frog	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	Dendrobatidae (Poison Dart Frogs)	Ursidae (Bears)
Genus	Oophaga	Ursus (Bears)
Species	Oophaga histrionica	Ursus maritimus

Evolutionary Relationship

Common Poison-arrow Frog and Polar bear share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Poison-arrow Frog

CR — Critically Endangered

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Common Poison-arrow Frog	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Common Poison-arrow Frog

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

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.

Common Poison-arrow Frog

<em>Oophaga histrionica</em>, the common poison arrow frog, is a small, brilliantly coloured dendrobatid frog in the family Dendrobatidae, endemic to the lowland and foothill rainforests of Colombia. Like other members of the genus Oophaga, it is aposematically coloured, displaying vivid patterns of red, yellow, black, and white that warn predators of its potent skin toxins, which are derived from the arthropods in its diet. The species is typically terrestrial and diurnal, inhabiting the leaf litter and low vegetation of humid tropical forests where males call to attract females and defend territories. Parental care is well developed, with females transporting tadpoles on their backs to water-filled bromeliads and subsequently feeding them with unfertilised trophic eggs. <em>Oophaga histrionica</em> is assessed as Critically Endangered on the IUCN Red List, reflecting severe population declines driven by extensive deforestation, agricultural expansion, and collection for the international pet trade within its restricted Colombian range. Biological traits such as average adult lifespan, precise body dimensions, and detailed dietary composition across its range remain poorly documented in the scientific literature. Conservation measures include habitat protection and captive breeding programmes.

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.