I had forgot this save, but realized I had it now, so here's an update:
I just had the first baby of the tribe, Raduk, who sadly didn't get any of the genes I were after (mostly trying to get them some cold-resistance, with things like fluffy tail, not lean or water body). And to the left, the pink one is Sie, which I got from another ice block.
I ran straight for the second ice block after opening the save, then took them down into the water to collect some food with Lurtas beak, as I were running out. All of them have fluffy tail, normal body, horns or saber fengs as mutations for now.