Hello all! I am on my second set of ducks as my first were mallards and would not go back in the pen. Sad story, they all are gone. I now have 7 four week old ducks and they were born with their mothers and were kept outside. Temps are due to fall to 50 tonight and I forgot if this is too cold for month old rouens, magpie and pekins. Any suggestions as they went directly to the pen when I got them 2 weeks ago? Thanks for your answers and suggestions in advance!