Built-in continuous hummingbird perch ring allows more hummingbird perching space to maximize hummingbird viewing. Five flexible lifelike flower ports with Leak FreeTM fit for maximum feeding comfort. Built-in ant moat deters unwanted pests from reaching the nectar. Two-part base system and removable flower ports allow feeder to be completely disassembled for thorough cleaning. Holds up to 20 oz of nectar.