When you are working with layered animation, you can extract attributes (and animation) from one layer onto a new layer.
To extract animation from your scene onto a layer
The extracted animation is added to a new layer called BaseAnimation_extract and placed at the top of the stack.
To extract animation from an animation layer
-click
                  the layer, and select Extract Selected Objects from
                  the pop-up menu. 
               The selected objects/animation are extracted onto a new layer that is named after the source layer plus the suffix _extract.