This becomes more pronounced, in case of mineral deficiencies like phosphorus, which is known as pica or allotriophagy. During late summer and early rainy season, production of palm fruits is more predominant.
46.6% reported "pica" (allotriophagy) behavior, its frequency was correlated negatively with the percentage of weight lost (p < 0.001) and positively with weight regain (p < 0.001).
Ostriches have allotriophagy by nature, and daily observation shows that both adult and young birds always peck a great quantity of carpolite and other things.