Greetings, A couple month ago, wifey was given a male mallard, his mate had died. we later got a female. Problem: a week or two ago he started limping on one leg I can't see or feel anything wrong with the leg. He is having more and more trouble putting weight on the foot or leg. The girls say he is loosing weight. And he is loosing his color. He is not eating enough. he looks depressed. Could this be happening because of the loss of his girl friend? What can we do to pump him up? Have any ideas? We had him in the bathtub just now, he seemed not to be floating as high in the water as he should be. We will be thankful for your opinion.