Several species of duck have brown-plumaged females which can be confused with the female Mallard.

The female Mallard is light brown, like most female dabbling ducks.

The females are light brown, with plumage much like a female Mallard.

This female mallard was brought into Slimbridge yesterday totally paralysed and she's already showing signs of recovery.

Females give a call similar to the quack of a female Mallard but higher-pitched, transcribed as gag-ag-ag-ag.

It is intermediate in appearance between the female Mallard and the American Black Duck.

Both sexes of this 51-56 cm length bird resemble a female Mallard, but with a slightly darker body.

Every year for at least seven a female mallard has chosen an atrium in the school as her birthing center.

He was not sure if he had hit a black duck or a female mallard, which, he said, are almost indistinguishable.

Both sexes are mottled brown in color, resembling a female Mallard.