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Grizzly Bears Enjoy A Back Scratch! | 20 Years of Planet Earth II | BBC Earth
Grizzly Bears Enjoy A Back Scratch! | 20 Years of Planet Earth II | BBC Earth
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Субтитры (54)
0:00
[music]
0:15
>> Meadows that only [music] a few weeks
0:17
ago were buried beneath the snow are now
0:20
full of life.
0:24
>> [music]
0:40
>> But in these mountains, the good times
0:42
will not last long.
0:45
So the bears must feed as fast as they
0:47
can.
0:52
During the summer months, an adult can
0:54
put on 180 kilos gorging on plants
0:59
and if they can catch them,
1:02
a marmot or two.
1:08
But just now, the bears have something
1:10
else on their minds.
1:16
It's becoming warmer and the bears are
1:18
keen to shed their thick winter coats.
1:21
>> [snorts]
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>> Mothers show the cubs what to do about
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this.
1:33
>> [snorts]
1:37
>> They'll soon catch on.
1:42
Some trees, it seems, are particularly
1:44
suitable for rubbing.
1:47
Bears have their favorites and will
1:49
travel long distances to visit them.
1:52
>> [snorts]
1:55
>> Some itches just have to be scratched.
2:02
>> [music]
2:07
[music]
2:14
[music]
2:19
>> There are now around 30 bears in this
2:22
one valley.
2:26
>> [music]
2:29
>> As they rub, each leaves an individual
2:32
and recognizable scent.
2:38
So, the tree soon carries a list of
2:40
who's around,
2:42
which might help individuals to avoid a
2:44
fight.
2:47
To best spread their scent,
2:49
they really have to put their back into
2:51
it.
2:52
>> [music]
2:58
[music]
3:13
[music]
3:19
[music]
3:34
>> But, summer is short.
3:36
Itches satisfactorily scratched,
3:40
it's time to eat.
3:44
In a couple of months, they will have to
3:46
return to their dens to hibernate.
3:49
So, now they must put on as much weight
3:51
as they can.
