Trout Indian Runner Duck

  Grey and trout : how to distinguish these two varieties one of the other...

grey drake

trout drake

beak

green dark

orange

head and neck

green emerald

black to green reflection
(on the photo, the male trout doesn't have all his bridal feather again)

The female trout is a little more lucid than the wild female.

Attention :

a male trout in eclipse feather can pass for a female... only possibility to distinguish them :