You will need
Drill, Saw or Wire cutter depending on your fence
Cut a hole at the Bottom of your Fence about 13x13cm. This will be big enough for a Hedgehog to pass through, but too small for most pets.
Position your myNaturewatch Camera close to the Hole and see what visitors come your way.
Encouraging Neighbours to do the same will help create a ‘Hedgehog Highway’.
Useful Links: https://www.hedgehogstreet.org/help-hedgehogs/link-your-garden/