To reduce feather pecking, turkeys are often beak-trimmed. He and Stafford kept hearing a woodpecker incessantly pecking on their roof. Poultry create a social order of dominance known as pecking order. The beak is relatively weak and used for pecking in soft wood only. Therefore, selecting against feather pecking could reduce egg production. This often leads to further injurious pecking by other turkeys and sometimes results in cannibalism. The primary visual feeding method is pecking at flies. There's a whole hierarchy and pecking order. There has been less work at the molecular level of the genetics of feather pecking. Devices have been developed to reduce or eliminate the damaging effects of feather pecking. The central ceiling is an exquisite piece of workmanship with lotus and pecking parrots. As a result, he is at the bottom of the school's social pecking order. Yet at Bayern he found himself low in the pecking order. High rank (a higher position at "the pecking order") has a positive effect.