A port and perch insert for fitting into an aperture through a wall of a container 12 of a birdfeeder, the insert comprising a port 34, a perch 32, and a snap fit element [50, figure 4] which flexes to snap over an edge of the aperture [24, figure 2] 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, in a direction 33, 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.