I have about two-score birds in a few different breeds including, Orpingtons, Standard Cochins, Rhode Island Reds, New Hampshires, a Leghorn. a Barred Rock, and some Guineas. I want to mark them for age. I think, from these forums, that zip ties will be the best way to go. So I need to buy a bunch of zip ties but I dont know where is a good place to get 300-500 zip ties in 6-9 different colors. I also don't know what size I should use. Any advice from your personal experience would help. I figure two bands per bird on left leg as follows: Year Born: 2011 - Black 2012 - White 2013 - Grey Month Born: Red- Jan & Feb Blue- Feb & Mar Yellow Apr & May Purple - Jun & Jul Orange - Sep & Oct Green- Nov & Dec Where can I get these zip ties? What type should I get (cold resistant, uv protected, etc.)? What size should I get (18lb, 40lb, 4, 7, etc.?