hi, i have seven muscovy ducks of the same age... about 3mos. old. Everyone appeared healthy but I recently noticed that one of the white ones has a little bit of swelling around both eyes, the swollen parts have lost some 'hair'. I checked for any bugs but see nothing, all other ducks appear healthy and all are eating and drinking fine. The one with the swollen eyes can see fine, and he eats and drinks normally... By the way, they are just starting to show some signs of that 'crown' development near their beaks... any ideas about the eye? it's not teary though.