what is difference between bottle and growler
A growler is any container used to sell a measured amount of beer. Most growlers hold 1/2 gallon of draft beer though some can hold an entire gallon. The growler has taken many forms over the years, but its primary purpose has always been to transport fresh beer from a brewpub or brewery to the drinker's home.
Beer bottle. A beer bottle is a bottle designed as a container for beer. Such designs vary greatly in size and shape, but the glass commonly is brown or green to reduce spoilage from light, especially ultraviolet.