Ricebird is a name for a number of different birds, especially those that feed on paddy fields or on various grains (not necessarily just rice). Most commonly, it refers to the:
Bobolink (Dolichonyx oryzivorus) Java sparrow (Lonchura oryzivora) Mannikins (Lonchura), a genus Yellow-breasted bunting (Emberiza aureola) Village weaver (Ploceus cucullatus), in English-speaking West African countries