"Banksia menziesii" provides an important food source, as flowers and seeds, for the threatened short-billed black cockatoo ("Calyptorhynchus latirostris"). Other bird species that have been observed feeding on "B. menziesii" include the red-capped parrot ("Purpureicephalus spurius"), western rosella ("Platycercus icterotis"), red-tailed black cockatoo ("Calyptorhynchus banksii"), Australian ringneck ("Barnardius zonarius"), western gerygone ("Gerygone fusca") and several honeyeater species, the New Holland honeyeater ("Phylidonyris novaehollandiae"), white-cheeked honeyeater ("P. nigra"), brown honeyeater ("Lichmera indistincta"), singing honeyeater ("Lichenostomus virescens"), western spinebill ("Acanthorhynchus superciliosus"), red wattlebird ("Anthochaera carunculata") and western wattlebird ("A. lunulata"). Insects recorded include ants and bees, as well as rove beetles (family Staphylinidae). A field study south of Perth noted that "Banksia menziesii" appeared particularly popular with the brown honeyeater and western spinebill, compared with other banksias.