Nature designed a rather unique feature into the digestive system of birds-a widening of the oesophagus within the decreased pan from the neck This widening functions as being a compartment to carry a amount of food items, and is named the crop. Follow along with the video clip beneath to https://finnzzpix.blogsvila.com/33870962/the-2-minute-rule-for-blue-and-gold-macaws-for-sale