From what Ive seen, gobblers are more willing to walk through shallow water than hens are. Ive watched gobblers walk through 6 to 8 inches of standing water for short distances while the hens flew across or went around the same water.
Here in florida where there are alot of swamps and flat low coastal lands, I think the turkeys have pretty much gotten used to the wet conditions and arnt as timid to cross as would birds in normally higher, dryer areas/states.