I don't think she's a bantam, just....little. As long as she's otherwise healthy, she's just developing her own way and eggs might take a bit longer than usual. It's also possible she was starved or very sick as a chick and got stunted.
Yes, and egg yolk is the easiest way to give them the nutrients they need - after all, egg yolk's entire purpose is to nourish a chick! When I had rescue pasty butt babies who were very droopy and wouldn't really eat, if I brought over the egg yolk dropper, they would instantly be on their...
Yes, sounds like they are in some kind of shock or physical stress. See if they will take raw egg yolk from a dropper, it's a food chicks cannot resist. And are their bums clean? It's important to watch for pasty butt.
Ooh, I got this! I am almost 99% sure I know every breed and gender here. Also, SO cute. I'm going to suggest names too.
1 LC - Male. Either Splash or Lavender Cochin. If they have darker flecks, they're splash.
2 LC - Female, breed same as above. I'd call her Dove, probably. She just looks...