BAC wrote:
If you live in an area which currently has populations of both red and grey
squirrels, and if you wouldn't want to inadvertently kill any red squirrels
when killing off the greys to protect your bulbs, you might be advised to
trap the squirrels, rather than poisoning them, since you could then release
any red squirrel which you might accidentally catch.

Me think it's one of John's parakeets disguised as a squirrel to get to
the nuts.