Thanks for your kind reply and advice, @Lovem all! I'm sorry your birds were attacked by a fox. That must have been awful. Wow--you have a ten-year-old chicken! That's so impressive! Our oldest chicken was seven years old.
Hi! Our four 4-6 year old hens were attacked by a huge raccoon in early June (my fault for going down to the coop a bit later than normal). The Barred Rock was killed by the raccoon, the Australorp and BO hid themselves, and I managed to save the RIR just as the raccoon was ready to attack...