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
In short, the UPC is a 12-digit unique code for your product represented by scannable bars. Universal Product Codes (also known as GTIN-12) appear as lines (bars) of varying widths representing the series of numbers commonly shown below the bars. Barcode scanners read the bars and convert them back to the 12-digit UPC number that they represent.