Good thing he’s only trying to remove an invasive species because there’s not going to be whole lot of intact meat left on these hogs.
It’s legal to kill wild hogs in Texas year round with no hunting license and by any means available. That means you can even hunt them with a cannon, or in this case a cannon that launches a massive 6″ broadhead. This seems like something that Wil E Coyote would hunt a road runner with!
It’s also legal to hunt wild pigs from the air in Texas. You can shoot hogs from fixed wing or rotary wing aircraft like they do in this video from Final Descent: