The complete bird biome is truly multi functional and multi species gift for your garden birds it may be used as a small bird nestbox with the hole protector in place or as an open fronted nestbox for birds such as robins and wrens out of nesting season the nestbox may be converted to a feeder by the removal of an extra front panel we recommend that for nesting that the box is cleaned out and moved away from the feeding area and hung between 15 and 25m high surrounded by foliage at the en