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:
More top news
Find out why farmers in the south of Scotland are getting less for their lamb, and how they're trying to change things.
Do you know what's been happening in the Border region over the past seven days? Test yourself in our weekly news quiz.
A look ahead at the forecast for the Border region.