Flamingos build nests that look like mounds of mud along waterways. At the top of the mound, in a shallow hole, the female lays one egg. The parents take turns sitting on the egg to keep it warm. After about 30 days, the egg hatches. Flamingo young are born white, with soft, downy feathers and a straight bill.
The first digit of a UPC-A Barcode is number system character. The following table shows you what different number system characters mean. 0: Standard UPC number 1: Reserved 2: Random weight items (fruits, meat, vegetables, etc. 3: Pharmaceuticals
UPC-C is a 12-digit code with a product code and a check digit; not in common use. UPC-D is a variable length code (12 digits or more) with the 12th digit being the check digit. These versions are not in common use. UPC-E is a 6-digit code, that has its equivalent in UPC-A 12-digit code with number system 0 or 1.