Same problem here in 14w20b, not just chickens, but cows, pigs, sheep and villagers. I found using a bucket of water will wash them out of the corner, but often they will just run back to that corner and become stuck again.
Same problem here in 14w20b, not just chickens, but cows, pigs, sheep and villagers. I found using a bucket of water will wash them out of the corner, but often they will just run back to that corner and become stuck again.