I heave 2 RIR approximately 11 months old. The were raised by an excellent Isa Brown hen who mothered them for over 20 weeks and are part of a flock of 6 hens.They free range all day and coop at night. All 6 of them have always layed in the same nesting box and there are 3 available to them. Over the last few weeks both RIR's have been spending a lot of time on the eggs after they lay, perhaps for an hour or two each, and one of them has started using a second box for laying. Is this their version of going broody? When my Isa went clucky she never left the eggs at all and i actually had to push her off the unfertilised eggs to collect them until i bought her some fertilised ones. We are coming into summer in Australia and have had quite hot temperatures up to 40 degrees Celsius. I wouldn't mind hatching some new babies. Is there something I can do to encourage them if it is what they are trying to do? Or is it not worth the risk as they are not know to be good brooders?