Just be sure to get enough pellet gun. That "Red Ryder" BB gun is not what you (generically) want. A break-barrel or side lever pellet gun (Gamo, RWS, Benjamin) is more appropriate.
IMO
"Having dominion" over the birds of the air and beasts of the field is no excuse for causing them needless suffering.
a .22 loaded with colibri/ super colibri rounds is just as quiet and works just as well.
I agree. Therefore, it is necessary to control their population through hunting. Otherwise, they will trend toward a time of starvation, public nuisance, or public health risk. The humane thing to do is to hunt them with weapons that are appropriate for the (sub/x)urban areas in which they are too numerous.