
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!

"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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