Quote:
Originally Posted by powderjunkie
We also know that bears generally prefer to scavenge than exert the energy/take on the risk involved in hunting - they literally prefer the 'low hanging fruit'. I imagine their 'Terminator' brains are probably running subconscious calculations on any encounter, and are unlikely to take purely aggressive action (aggressive-defensive another story) unless a whole bunch of stars align, including a desperate need for food.
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This is true with bears and most predators. They prefer not to risk injury or expending too much energy for food and will scavenge or go after the sick or injured.
Bears are reasonably intelligent and curious animals. Some biologists believe that they may be one of the most intelligent land mammals outside of humans and primates. They will usually observe their potential prey and by instinct, will calculate the risk versus reward. Something made this bear think the risk was worth the reward. Perhaps the bear was desperate for a nutritional windfall to the point that it was worth the gamble. Maybe the couple was tired and slow, so the bear thought they were easy targets.