www.topfillfeeders.com We’ve made hummingbird feeding as easy as it can get! The Perky-Pet® Top Fill Hummingbird Feeder features our latest innovation – the new patent-pending Push-Pour-Pull technology for effortless filling – just push, pour,pull-and-feed! It features an easy to fill wide mouth top and “sports bottle” functionality. With less parts, cleaning the feeder is so simple, too! The clear plastic reservoir makes it easy to monitor nectar levels.