CovidtimeQuail
Highly quailified
Do you have other type predators where you are? Pulling legs through wire doesn't sound like something a rat would do.I lost a whole lot to a rat(s). I had a similar set up. With hardwire floors. The rat grabbed the quail legs through the wire and amputated them one night. The blocks/bricks by the edges of the cage set up that I keep adding to block off holes dug didn’t work. I had to cull the lot of them because I found them flapping around in the morning legless. It was not a pleasant job. Now I have a foot wide wire skirt around the edges of my aviary. So far so good.
Your set up seems to have substrate over the hardwire cloth inside so it may not be a problem. I had my cage (it was a tractor set up) straight on the ground (with little substrate on top over it), so if the rat tunneled under, it would have access to the feet of the birds.