It’s just making fun of the tendency of some states to go overboard in having “state this” or “state that.” Originally, all that states used to have was a state bird (for example, the state bird of the state I grew up in, Delaware, is the Blue Hen), but now some states will also have a state animal, a state dog, a state cat, a state mineral, a state fossil, it goes on and on…
It’s just making fun of the tendency of some states to go overboard in having “state this” or “state that.” Originally, all that states used to have was a state bird (for example, the state bird of the state I grew up in, Delaware, is the Blue Hen), but now some states will also have a state animal, a state dog, a state cat, a state mineral, a state fossil, it goes on and on…