Provide extra run space when mixing species

Allow significantly more run space when housing ducks and chickens together — at least 15 square feet per bird of either species, and ideally 20+ square feet. Mixed flocks need extra room because the two species have different activity patterns and social structures. Ducks cluster around water and forage in groups, while chickens scratch and dust-bathe in drier areas. Adequate space lets each species claim preferred zones without conflict.

Why It Works

Overcrowding is the primary cause of interspecies aggression in mixed flocks. Chickens establish a rigid pecking order and will bully ducks that encroach on their territory. Ducks, meanwhile, splash water across the run and create mud that chickens actively avoid. More space means natural separation — each species gravitates to its preferred habitat (wet area for ducks, dry area for chickens) and interactions become peaceful coexistence rather than competition.

Tips

• Place water features (pools, deep waterers) on one end of the run and dry dust-bathing areas on the other
• A run under 10 square feet per bird will almost certainly cause aggression and stress in a mixed flock
• Provide multiple feeding stations spread across the run so no single bird can guard all the food
• Visual barriers like bushes, pallets stood on end, or small shelters give bullied birds places to escape