Sentence examples for feed chiefly on from inspiring English sources
They feed chiefly on milkweed and sometimes on nightshade.
The large, usually green, larvae feed chiefly on tree foliage.
They feed chiefly on insects but eat fruit also.
They feed chiefly on fungi and decaying organic matter.
Crows feed chiefly on the ground, where they walk about purposefully.
All are small, tough-skinned birds that feed chiefly on bees and wasps.
The larvae are scavengers, feeding chiefly on fungi or materials of animal origin.
For instance, the horses seem to have been predominantly browsers, while the straight-tusked elephants were feeding chiefly on grass.
Scientists know that the Canadian lynx feeds chiefly on snowshoe rabbit, & that there is also a very marked snowshoe-rabbit cycle - undoubtedly caused in the rabbit's environment, though they don't know just what.
The caterpillar of the cynthia moth (Samia cynthia or walkeri), also known as the ailanthus silk moth, native to Asia and introduced into North America, feeds chiefly on leaves of the ailanthus tree and the castor oil plant.
Webster's wording, even, is more visual than that: "A maned striped mammal (Proteles cristata) of southern and eastern Africa that resembles the related hyena and feeds chiefly on carrion and insects". Clearly, the OED assumes a client who's far from asking what an aardwolf looks like - no, one athirst for such taxonomic insight as it's austerely willing to provide.
