A nectar feeder for hummingbirds is disclosed. The feeder includes a container configured and arranged to store nectar feed. The container has a top end and a bottom end. A spout depends from the bottom end of the container with an exit port defined thereon. A base tray positioned below the container. The base tray is further configured and arranged to contain nectar feed therein. A vertical member extends from the base tray. A float is positioned between the container and the base tray. The float engages the vertical member to prevent substantial independent lateral movement of the float within the base tray. The float carries a stopper with a substantially flush surface positioned below the spout. In operation, the nectar feed flows through the container and into the base tray until the float rises to a level where the stopper engages the exit port on the spout to prevent fluid from flowing into the base tray.
