The question about the whys and wherefores of having to purchase a hunting license are far and few between. There seems to only be three legitimate answers:
Hunting licenses are governed and regulated at the state level, with additional mandates from the federal government for migratory birds and endangered species. There are also exceptions for purchasing hunting licenses, relating to:
Hunting is considered a privilege, not a right, which has been attacked by some groups who think it is covered under the second amendment, and therefore one must pay for that privilege. With twenty million hunters in the United States yearly, the revenues can be quite beneficial to state governments. Some licenses are good for one year; some are good for one season only.
Since William the Conqueror set a rule in 1087, there have been laws governing the taking of animals. Big game hunting rules are regulated even more so, by having only a limited amount of “tags” for sale in 11 of the 50 states in the U.S. 49 of the 50 require a seven-hour course to be taken as a prerequisite.
Contrary to what some people think, hunting has been a very safe sport in the United States. Out of the twenty million hunters yearly, only about 800 have any kind of non-fatal accident, and only a mere 100 fatal accidents have been recorded, which is a very low percentage.