OMG, another RIR would be so delightful to replace the one that was taken. Her temperament was great. Per your suggestion that it could be RIR, I googled and was surprised to find a photo of a 14 day-old RIR with identical plumage as mine. So that seems to have solved the age question as well. I...
I have no reason to believe they are the same age. I do know they were separate runs and brownie's plumage does not seem as mature as the zebra so my gut is that brownie is younger, perhaps 10-14 days old.
Years ago I roomed with two latinos who had a backyard flock. I ended up adopting a beautiful Rhode Island Red hen (which was subsequently stolen by said roommates when the lease ended). Now, three years later, I just leaped in with both feet and got two chicks (intendes as pets). Just yesterday...
