Adding my experience, and thank you for posting your stories.
One of our Cochins decided she had to be a mom. My last attempt a year ago to put some chicks underneath her failed, and I ended up having to raise three chicks after she attacked them (they were at least 3 weeks old).
This time, I...
Hmm. Long time lurker on this forum.
I've owned - Ameraucanas, Silver-Laced Cuckoo Marans, Wyandottes, Welsummers, Buff Orpingtons, Spanish "clown breeds", Brahmas, Easter Egger, Plymouth Rocks, Rhode Island Reds, Cochins, Leghorns, Barnevelders, and Australorps.
Lost hens to: Hawks, dogs...