I'm having touble with the genders... Well there kinda young to have drake feathers if its a male.. their 5 weeks old. (when their babies the skreach if you pick them up because they want to be with the other ducks well one of them is loosing the skreach sound, it's voice is lowering. Out of the 2 I can't remember which one but her are some photos.
1st.
The one on the LEFT <-------
and the one on the RIGHT ------>
1st.
The one on the LEFT <-------
and the one on the RIGHT ------>