I have 3 that I am not sure if they are Rouen or Mallard. And 3 that I think are Pekins. They day I brought them home April 1st The day I brought them home April 11 A few days after I brought home the Pekins. April 14 About April 9 April 14th April 16 April 23 The group today. April 27 They are getting so big! They are loving this yucky wet weather we are having.