My Welsummer hen that is grown is one of my bigger hens too. I have a Welsummer cockerel, but he's still young yet & doesn't have all of his coloring or tail yet. I think he's going to be a good sized boy though, however he's not as big as my Frank's Barred Rock cockerel, now that boy is going to be huge. Sharol you talk about big, you should see the Lemon Cuckoo Orpington cockerel I have that I got from Danz, he's not grown yet & already he has surpassed all of my other roosters. He doesn't even have his tail yet, he's not even breeding age yet, but he is a big boy. Frizzled, I hope you figure out what your rooster is, he's gorgeous whatever his lineage is.