Stop ants from reaching the nectar in your favorite hummingbird feeder with this Wild Wings Hummingbird Feeder Ant Moat. Constructed from durable UV-stabilized plastic and rust resistant hardware, this ant moat will protect your hummingbird feeder nectar through many seasons of use. Installation is a breeze: install the top screw, install the bottom screw, attach to any hummingbird feeder, and fill with water.