Sexing Runner ducks

[Effalumps]

You could vent sex them while they are young. I'm still pretty new at it, but it isn't rocket science. If it is a boy, you will know for sure. If it looks like a girl, then you might have just not done it right...

This is a pretty good video:

Goes this hurt them at all

 

[Miss Lydia]

Unless experienced yes you can injure one. Go by quack females quack loudly drakes sound raspy like they have a cold in their nose.