Ursus arctos
LC Omnivore Forests, Mountains
70–780 kg
Weight
20–30 yrs
Lifespan
48 km/h
Top Speed
North America, Europe, Asia
Found In
Weighing 70–780 kg, the Brown Bear (Ursus arctos) ranks as one of the heaviest omnivore mammals (#2 of 33). Native to North America, Europe, Asia, it lives in forests, mountains habitats and is classified as Least Concern.
Documented in 2 U.S. National Parks
The Brown Bear has 2 field records across 2 parks in the National Park Service biodiversity database, listed as native in 2 records.
| Park | Nativeness | Abundance | T&E Status |
|---|---|---|---|
| Grand Teton National Park | Native | Common | — |
| Yosemite National Park | Native | NA | — |
Size, Speed & Lifespan
| Metric | Brown Bear | Omnivore Mammals Median | Difference |
|---|---|---|---|
| Weight | 425 kg | 12 kg | ↑ 3442% |
| Height | 95 cm | — | — |
| Top Speed | 48 km/h | 35 km/h | ↑ 37% |
| Avg Speed | 48 km/h | — | — |
| Lifespan | 25 yrs | 17.5 yrs | ↑ 43% |
Range Across 3 Regions
Habitat: Forests, Mountains
Found In: North America, Europe, Asia
Coloration: Brown
Behavior
Natural Predators
Social Structure
Recorded as Solitary.
Reproduction & Lifespan
Gestation Period: 180–250 days
Offspring per Birth: 1-4
Lifespan: 20–30 years
Population & Outlook
LC Listed as Least Concern on the IUCN Red List — one of 66 species in this database with the same status.
Weight Rank Among Least Concern Species
Ranked #6 of 66 by typical adult weight.
| # | Species | Weight | Status |
|---|---|---|---|
| 4 | Water Buffalo | 300–1200 kg | LC |
| 5 | Zebra | 400–900 kg | LC |
| 6 | Brown Bear | 70–780 kg | LC |
| 7 | Bottlenose Dolphin | 150–650 kg | LC |
| 8 | Wildebeest | 200–390 kg | LC |
| 9 | Harp Seal | Up to 160 kg | LC |
Other Ursidae Species
The Ursidae family has 5 species in this database. Compare close taxonomic relatives:
| Species | Weight | Diet | Status |
|---|---|---|---|
| Giant Panda | 70–125 kg | Herbivore | EN |
| Polar Bear | Up to 700 kg | Carnivore | VU |
| Spectacled Bear | 35–77 kg | Omnivore | VU |
| Sun Bear | 27–80 kg | Omnivore | VU |