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View attachment 1691037 My dogs and chickens "tolerate" each other. One of them wouldn't hurt another living creature if her life depended on it... the other would gladly chase my chickens to death (or worse) if I hadn't spent time training her to ignore them. They all happily coexist, but I wouldn't call them buddies or playmates. I've seen a few instances where a lone chicken befriended a dog or cat and they'd snuggle together for warmth or possibly companionship, but that's not very common.
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If you lock your chickens inside the coop for several days to a week, they become "homed" to that site... so when you do let them out to free range, they always come home to roost. Unless the conditions of their home are terrible, (or maybe an agressive rooster or top hen will run a few off) chickens are far less likely to run away than get taken by daytime predators like hawks or foxes. Anyone who free ranges is usually prepared for some losses, that's why many folks keep their chickens fenced in a secure run. And a locked coop at night to protect from many other nocturnal predators.
Are you thinking about getting chickens again?