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Bears Snooze Less: Climate Change Thaws Hibernation
27 Sep
Summary
- Warmer temperatures delay bear hibernation, study finds.
- Climate change may cause bears to eat human food.
- Bears' eating habits impact human-wildlife interactions.
Scientists at Virginia Tech have discovered that bears are altering their hibernation schedules due to a changing climate. Research conducted over more than a year, analyzing 22,000 hours of video footage, showed that temperature plays a significant role in when bears begin their winter sleep.
Contrary to the expectation that colder temperatures and shorter days trigger hibernation, the study found that bears remained active even in December if the weather was warm. This suggests a stronger link between ecological shifts and hibernation timing than previously understood.
As climate change leads to warmer winters, bears might extend their active period. However, this could result in food scarcity, such as acorns and plants, potentially forcing them to seek out human food sources more frequently. This increase in foraging near human settlements raises concerns about more frequent human-wildlife interactions.
