Polar Bear
⚡ Key Facts & Quick Answers (AEO Summary)
- Taxonomic Class: Mammals
- Dietary Niche: Carnivore
- Max Speed: 40 km/h (25 mph) on land
- Adult Weight: 350 - 700 kg (770 - 1500 lbs)
- Typical Lifespan: 15 - 25 years
- Primary Habitat: Sea ice, coastal frozen tundra, Arctic oceans
- Native Region: Arctic Circle
- IUCN Red List: Vulnerable
📊 Physical & Biological Metrics
🧬 Scientific Taxonomy & Biological Classification
| Kingdom | Animalia |
|---|---|
| Phylum | Chordata |
| Class | Mammalia |
| Order | Carnivora |
| Family | Ursidae |
| Genus | Ursus |
| Species Binomial | Ursus maritimus |
📖 1. Species Overview
The polar bear is the largest land carnivore on Earth, native to the freezing regions of the Arctic Circle. Classed as marine mammals due to their reliance on sea ice, they are apex predators specialized in hunting seals. They are highly adapted to survive in extreme Arctic cold.
🦿 2. Physical Appearance, Anatomy & Adaptations
Polar bears have large bodies, long necks, and relatively small heads. Their fur appears white or cream-colored, but is actually translucent and hollow, trapping heat. Their skin beneath the fur is black to absorb solar energy. They have wide, webbed paws that act as paddles.
🗺️ 3. Habitat, Geographic Distribution & Territorial Range
They inhabit the Arctic sea ice, which they use to travel, mate, and hunt. They are solitary and strong swimmers, capable of swimming for days across open water. Polar bears do not hibernate, though pregnant females dig deep snow dens to give birth during winter.
🥩 4. Diet, Feeding Strategy & Hunting Tactics
They are specialized carnivores, feeding primarily on ringed and bearded seals. They hunt by waiting patiently next to breathing holes in the sea ice (still-hunting) or stalking seals resting on the ice. They rely on their fat-rich diet to survive long periods when ice melts.
🐣 5. Reproduction, Lifecycle & Social Hierarchy
Mating occurs on the ice in spring. Pregnant females build snow dens in autumn, entering a dormant state. They give birth to 1 to 3 tiny, blind cubs in December. Cubs nurse on rich milk, emerging in spring. Cubs stay with their mother for 2.5 years, learning to hunt.
🛡️ 6. Conservation Status, Population Threats & Protection
Polar bears are listed as Vulnerable on the IUCN Red List. Their primary threat is the loss of Arctic sea ice due to global warming, which reduces their hunting window and forces them to travel longer distances. They also face threats from industrial pollution and shipping.
💡 Fascinating Facts & Trivia
- Polar bear fur is translucent and hollow, and their skin underneath is pitch black to absorb heat from the sun.
- They are classified as marine mammals because they spend most of their lives on sea ice and in the ocean.
- A polar bear can smell a seal's breathing hole in the ice from up to a mile away.
❓ Frequently Asked Questions (FAQ)
Direct authoritative answers regarding the biology, feeding habits, and habitat of the Polar Bear.
The Polar Bear is scientifically classified as Ursus maritimus. It belongs to the genus Ursus within the family Ursidae, class Mammalia, and phylum Chordata.
In the wild, Polar Bears inhabit Sea ice, coastal frozen tundra, Arctic oceans. Their native geographic range primarily spans Arctic Circle.
The Polar Bear is classified as a Carnivore. It feeds primarily on specialized nutrients suited to its ecological niche in Sea ice, coastal frozen tundra, Arctic oceans.
A Polar Bear can achieve top speeds of 40 km/h (25 mph) on land and weighs approximately 350 - 700 kg (770 - 1500 lbs). Its expected natural lifespan is 15 - 25 years.
The Polar Bear (Ursus maritimus) is currently designated as Vulnerable on the IUCN Red List of Threatened Species.
Cite this Article
FaunaWiki Zoological Database (2026). "Polar Bear (Ursus maritimus) Species Profile."
🐾 Related Species & Co-inhabitants
Mammals
Lion
VulnerableWhat is a lion? The lion (Panthera leo) is a large, warm-blooded mammal belonging to the Felidae family. Widely referred to as the 'King of the Jungle', the lion is a majestic big cat that plays a key role as an apex predator in its ecosystem. Unlike other cats, lions are highly social animals that live in family groups called prides. A pride typically consists of related females, their offspring, and a small coalition of male lions who protect the territory. Male lions are famous for their majestic manes, which darken as they age and serve as a sign of health and dominance.
Mammals
Cheetah
VulnerableThe cheetah is the fastest land animal on Earth, built for speed and agility. Its slender, lightweight body, long legs, and flexible spine allow it to take strides of up to 7 meters. Cheetahs have distinct black 'tear marks' running from the inside corners of their eyes down to their mouth, which help deflect the blinding glare of the sun during daytime hunting. Unlike other big cats, cheetahs cannot roar, but they do purr, hiss, and make chirping sounds.
Mammals
Blue Whale
EndangeredThe blue whale is the largest known animal to have ever lived on Earth, even bigger than the largest dinosaurs. Despite their massive size, these gentle giants feed almost exclusively on krill—tiny shrimp-like creatures. A single adult blue whale can consume up to 4 tons of krill per day. They are baleen whales, meaning they filter ocean water through fringed plates in their mouths. Blue whales are also among the loudest animals, communicating via low-frequency groans and pulses that can travel hundreds of miles underwater.