Sugar ants, like flying ants, are considered to be mild-mannered, as they bite only in self-defense and do not sting. Bites from a sugar ant do not hurt, nor do they cause any symptoms (unless the ...

Though ants aren't harmful to hummingbirds, they will likely make the feeder less attractive. If ants have honed in on your sweet stash, here's how to keep ants out of your hummingbird feeders.