foxy
Active member
You could consider using plastic beak bits to help break the habit. They are not very pretty, however very effective and cause no discomfort to the bird.
http://www.domesticfowltrust.co.uk/products/Anti_Pecking_Products.html#aapb
http://www.domesticfowltrust.co.uk/products/Anti_Pecking_Products.html#aapb