Duck Breeds:Indian runner Duck Vs.Pekins quack

[LoveThemBirds]

I own both.But,the two babies are mines.They have both begin quacking,but my pekin hasn't.The runner duckling is much louder,while the pekin still has that chirp type sound.Any ideas?

 

[tomynoks]

The Peking may be a drake, they don't quack.