How cold is too cold for call ducks?

[Tlammy]

Its going to be almost freezing tonight and i was wondering how cold is too cold for calls.. Mine are around 4-5 years old.. Will they be fine out or should i bring them in? Thanks!

 

[Miss Lydia]

Its going to be almost freezing tonight and i was wondering how cold is too cold for calls.. Mine are around 4-5 years old.. Will they be fine out or should i bring them in? Thanks!

4-5 year old ducks will be fine outside as long as they are in a secure place. I'd be more worried about predators than them getting cold remember they are wearing down.