What day y’all

Was told this was a hen by a TPWD guy. Thought this was a drake. And the green bills were hens. Who is right?

Drake

Both sexes of this 51–56 cm length bird resemble a female mallard, but with a slightly darker body. The Mexican duck is mainly brown, with a blue speculum edged with white, obvious in flight or at rest. The male has a brighter yellow bill than the female.

My guess hen with very little color on the bill. The drakes have a bright yellow bill.

Hen

Hen Mottled Duck...Drake have yellow bill, hens have orange....that goes for mallards, mexican mallards, and mottled ducks