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Anas fulvigula
The bird in the front looks like a drake Mottled Duck, with the dark plumage and pale head + green bill.
The hen in the rear does resemble a Mallard, though, with the patterning and white tail.
Pairs like this often result in "Muddled" Ducks, Mallard x Mottled hybrids, which are increasing in Florida, threatening the wild Mottled Duck population.
I think female Mallards from the orange legs, Blue-winged Teal female has yellow legs and Garganey female has grey legs, otherwise all 3 are very similar. Garganey in Florida are pretty rare.