All lot of well made points here,
From what I have seen its a combination of factors. I remember one field by the road where I could never get permission with a double ditch running through it that was black with rabbits all summer in 2010. The same field is empty now. This is in an area of low intensity farming. The buzzard population has exploded. But I think the local population was hit with rhd back then and never recovered. We get a crop of young rabbits in the summer . However, now there is always a buzzard keeping sentinel on a post or telegraph line. Pine Martin's have exploded s
