US Patent 10188081 Port and perch insert for a bird feeder

There is provided a port and perch insert for fitting into an aperture through a wall of a container of a birdfeeder. The port and perch insert comprises a port (34), a perch (32), and a snap fit element which flexes to snap over an edge of the aperture and retain the port and perch insert to the container (12). The snap fit element comprises: a protrusion which snaps over the edge of the aperture to engage against an inside surface of the container; a flexible root portion which connects the snap fit element to a main body of the port and perch insert, and a paddle portion (56) which is pushable from outside the container once the port and perch insert has been fitted to the container, to allow the port and perch insert to be removed from the container.