What kind of Corns are these?

[Blue Apple Herps]

They actually look a lot like the yellow rat snakes I see all the time here in South Florida. That would be my guess...yellow rat snake.

If the "yellow rat snakes" you see in S. Fl. look like those, then you're not seeing yellow ratsnakes. Yellow ratsnakes are fully striped and have an orangey/reddish/yellow color to them. The snakes in question are definitely not yellow rats: