In 2012 there was a row over proposals to cull 200 Canada Geese on Windermere.
It was postponed and now the two sides are working together on a plan to manage the problem.
The RSPCA, who were opposed to killing the birds, and rangers from the national park have joined forces.
Hundreds of the geese have now been ringed in an attempt to track their movements, as Samantha Parker reports:
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