Brown Bear

Fascinating facts about the Brown Bear

• Brown bears can tip the scales at 600 kg, yet a male may average 217 kg while a female averages 152 kg, showing extreme size swings across regions. Their bodies stretch 1 to 2.8 m long and stand 1.5 m at the shoulder. Unique among bears, they sport a massive hump of muscle that powers their 21-cm-wide, 36-cm-long paws for digging.
• The brown bear's global headcount hovers around 200 000, with Russia sheltering 130 000, the United States 32 500, and Canada about 25 000. Yet the IUCN still lists the species as Least Concern, citing a 2017 estimate of 110 000 individuals. This paradox shows that while the species as a whole isn't endangered, regional pockets, like the critically endangered Himalayan subspecies occupying just 2 % of its former range, remain on the brink, underscoring the need for localized conservation.
• Genetic studies reveal brown bears split into five to nine major clades, a hidden family tree that even includes a polar-bear branch. Hybrid bears, part grizzly, part polar, first surfaced in DNA tests of a 2006 Arctic specimen, and seven more hybrids have since been confirmed, all tracing back to a single female polar bear. These rare mixes illustrate ongoing gene flow between species, reminding us that bear evolution is a dynamic, inter-woven saga.
• Female brown bears mate with several males during a 10-to-30-day estrus, then delay implantation for five months, giving birth in January-March while still hibernating. Cubs arrive weighing just 340-680 g, blind and hairless, and cling to their mother for up to 4.5 years. Gestation, counting the delayed phase, spans 180-266 days.
• Despite their fearsome reputation, 90 % of a brown bear's calories come from plants, from berries to tubers.

Sources

Every fact above was checked against these pages, and kept only where one of them states it.

• Wikipedia
• Animal Diversity Web

At a glance

About the Brown Bear

As the brown bear emerges from the forest's emerald depths, its rugged, ursine form undulates across the landscape with a gentle, lumbering gait, as if savoring the warmth of the sun on its weathered coat. With each deliberate step, the bear's paws barely disturb the earth, a testament to its remarkable ability to move with quiet purpose, a master of its domain. In this serene, unassuming manner, the brown bear navigates its world, a paragon of wild elegance, its every movement a reminder of the beauty and majesty that still thrives in the unspoiled wilderness.

Brown Bear photographed on Feravox

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