I've been thinking the one on the far right is a Cockerel since its tail didn't come in as fast as the other two. They are 9 weeks old and it has no signs of being a rooster with larger comb or dark colors on legs. Other than having a shorter tail, they look identical. This particular one is...
I'm sorry for your loss. I lost one of the 30 I've been raising at about the same age the same way. From what I understand, it was nothing you did. Sometimes it is just a failure to thrive. It's sad when it happens. Hopefully all the rest do just fine.
