dead iguanas??

I know when it’s cold the iguanas “freeze” and can fall from trees but it has been warmer the last 2 weeks and i’m still seeing TONS of what appear to be completely dead iguanas. Does anyone know why this could be?

We walk the same route every morning with our dogs and every day there are at the very least, 2 dead lizards that weren’t there the day before. They are in the grass so unlikely that they were hit by a car but it isn’t cold enough for them to be “freezing” anymore.

any thoughts??