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A couple were vacationing in Yosemite. The wife expressed her concern about camping because of bears and said she would feel more comfortable in a motel. The husband said that he'd like to camp and to calm her concerns,
they'd talk to the park ranger to see what the likelihood of a bear encounter would be.
The ranger told them, "Well, we haven't seen any grizzlies in this area so far this year, or black bears, for that matter."
The wife shrieked, "There's TWO types of bears out here? How can you tell the difference? Which one is more dangerous?"
The ranger replied, "Well, that's easy, see, if the bear chases you up a tree and it comes up after you, it's a BLACK bear. If it SHAKES the tree
until you fall out, it's a grizzly."
The motel room was quite nice.
Bears
My father considered a walk among the mountains as the equivalent of churchgoing.
~Aldous Huxley
How does a bear know that it's time to hibernate?
The bear is alerted in part by hormonal changes that alter its bodily functions. But scientists have not proven exactly what triggers the hormones that encourage hibernation - whether it's the shorter days, the feeling of coldness in the air, or the scarcity of food. Bears hibernate to conserve energy during a time when their habitats produce little in the way of food or water.
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