Is there anything I can do?

[happychickies101]

Put a bandage around the knee so thy it stays straight.

 

[Luvs Ducks]

Put a bandage around the knee so thy it stays straight.

I did that and the duckling made this awful noise like it was in tremendous pain, so I took it off. I have done this in the past and never had an issue with it. We have a vet appointment in the morning, so I'm hoping he will have some recommendations.