It is very hard to get a good photo of the chickens drinking at their new  Avian Aqua Miser waterer, but the first chicken on the right had been drinking and the second chicken on the right is still taking  good long sip.  What you cannot see in the photo are the little 'nipples' that work on a similar principle to a hamster waterer.  The 5 gallon bucket has water and the chickens  poke at the nipples that release…