See 'Reservoir Ducks 1 - Mallard' for details of this series.
GARGANEY
The adult male Garganey is unmistakable, with its brown head and breast with a broad white crescent over the eye. The rest of the plumage is grey, with loose grey scapular feathers It has a grey bill and legs. In flight it shows a pale blue speculum with a white border. The male has a distinctive crackling mating call; the female is rather silent for a female duck, but can manage a feeble quack.