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A few nights ago I was asleep in bed when I suddenly woke up in agony. My calf felt as though I'd pulled a muscle. I couldn't really move. It was terrible. I don't really know what happened. When I woke up in the morning the pain had faded somewhat, though my legs still felt kind of numb. It was odd. Other than having trouble getting to sleep (on a quite regular basis), I don't generally wake up in the middle of the night in pain. I presume the same is true of bears. Not that I know what it feels like to be a bear, let alone a bear waking up in the middle of the night with calf trouble.
The Sixth Minute of this jolly folly!
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"OK, gang. Hit it!..." he shouts and they all start singing... again. Yes "Coming Up Christmas Time" for the third time in six minutes!
I thought I'd take a moment here to list some interesting (and in my opinion amazing) facts I've found out about bear hibernation. Actually, once I started it became quite a long list so I've decided to split the list in two (with the other part in the next post). For today, I will focus on the actual "den" bears spend their winters in. (Obviously I'm not a bear expert and I've given only a vague listing here. If you want to find out more you should research any of the fine resources on the internet or your local library.)
- Dens are built dug on 30° - 60° slopes with northern exposures at between 6500 and 10000 ft.
- Major den excavation takes three to seven days (during which time a bear might move a ton of material!)
- The dens consist of an entrance, a short tunnel and a chamber
- Bears cover the chamber floor with a variety of bedding material which allows air circulation at the same time as keeping heat in.
- Den entrances are typically just large enough for the bear to squeeze through
- Tunnels are dug straight into hillside in order to keep heat in den chamber
- Chambers are slightly larger than the bear for efficient heat retention
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