Not really sure what you want, but if I understood:
on your panda map, Alpha to selection > Select / Shrink (30-40 pixels) > Mask from selection > Blur the mask up to your needs, nothing else will be blurred, just a smooth transition
on your panda map, Alpha to selection > Select / Shrink (30-40 pixels) > Mask from selection > Blur the mask up to your needs, nothing else will be blurred, just a smooth transition
Patrice