We bought 2 femaleguineas in early november ,they were approx 11 weeks old and from the same litter.
The vet sexed them as well and said that they appeared to be female but sometimes it is difficult to tell when they are immature.
They have co-habited nicely together with the occasional squabble /domestic.
'Pippa'has always had the 'lair' to herself whilst 'Peppa' has sucumbed to the tube.
'Pippa' has always been 1st to have refusal on the food although 'Peppa 'is more vocal.
Tonight we got them out as usual in the kitchen to clean them out and 'Peppa' kept mounting 'Pippa'