Disposable Diapers Avian Style .

Or fecal sac . This is how birds keep their nests very clean  .After all,  what goes in must come out and nests have no WC but nature  has an amazing system .The waste is expelled in a sac . This is removed by the parents ,seen here  ( consumed in the early stages by some species) This shot was a pure fluke and now that the youngsters are so large the parent bird collects the sac , flies off and discards.  As usual had many potential blips but since this  blip is a place of knowledge ..here you see the evidence When pub quizzes are back you may be able to answer a strange question and win. As the saying goes " when you gotta go , you gotta go be you a person , bird , dog indeed any life form .:)