I have a small fish pond about 4 ft round. It is about two feet deep in the center. I have 11 chickens that I let out of the pen on a regular basis . Today I let them out at dinner time. They were out about 15 minutes when I went out to put feed in their pen. When i walked by the pond there was one of my hens in the pond. I quickly grabbed her out and brought her in the house as it is cold here in Pa. right now. She appeared to have drowned, but I thought since it was cold maybe I could revive her as it was a short time period. I did everything possible warming her vigorously rubbing and trying to clear the water out of her and you will think I am crazy but also taking a straw and blowing air down her throat. All To no avail. I feel terrible as I lost one last year in that little pond also. If I put a net over it the water plants can't grow out and the frogs will not be able to get out either. Have any of you had a problem like this and a solution. I know I should just keep the hens penned up but I have had chickens for years and never had a problem with this until last year. I hate to keep them penned up all the time. They are usually out for a while several times a week. Any ideas would be appreciated . dac63