Main content
![](https://ichef.bbci.co.uk/images/ic/640x360/p02ccxc8.jpg)
Deep in the polar bear's den
After filming the moment when a mother bear emerged from her den and took her new baby cubs off across the sea ice, cameraman Mark Smith and field producer Jason Roberts decided to take a look inside...
Duration:
This clip is from
More clips from Spring
-
Tiny sea creatures under melting sea ice
Duration: 01:16
-
Six hungry mouths
Duration: 01:25
-
A polar bear comes to call
Duration: 01:30
-
A friendly wolf
Duration: 01:23
More clips from Frozen Planet
-
Arctic spring melt from Space—To the Ends of the Earth
Duration: 00:01
-
Tiny sea creatures under melting sea ice—Spring
Duration: 01:16
-
Chopper squad—To the Ends of the Earth
Duration: 05:48
-
Filming Antarctica from the air
Duration: 03:44