Yep, all 6 from the same pen, they all sat in pairs for the past 2.5 to 3.5 weeks. It all started when we had another pair of broodies in the pen beside the SPRs... within a couple of days of the chicks moving in next door the first SPR parked, followed by the next five within the week. Now, historically, my SPRs have always been a very broody bunch, usually going broody in pairs or trios, but this is the first time we have had 6 co-brooding.
The good thing is that these hens were all raised in a co-brooding enviroment, having been chicks raised by co-brooding hens and in coops where the flock is fully integrated with ages from 1 wk to 6+yrs all sharing the same spaces. Out of any of the hens I have had my SPRs are the most laid back and cooperative broodies by far. They just don't seem phased by odd circumstances, they just calmly continue going about their mommy duties and avoid the drama.
We actually have a 7th broody (another SPR) in another coop... She is only about 7 months old but she heard chicks last month (from another broody pair) and was parked within a few days. She is by herself and doing fine with her 4 chicks.
I do wish these girls would wait till better weather though! LOL