"When we started on Anglesey we only had 40, now we've got about 800, potentially a few more. But they are under threat, a massive threat."
Cull the greys - and put them on the menu
Squirrel goes nuts in bakery
There has been a successful programme to cull all the grey squirrels on Anglesey, to protect the reds, but this has proved almost impossible to repeat on the mainland.