Greater rheas graze in the tall savanna grass of Brazil's Pantanal.
在巴西的潘塔纳尔稀树草原上，生活着一种体态较大的美洲驼鸟。
Greater rheas graze in the tall savannah grass of Brazil's Pantanal.
稀树大草原图片。更大的美洲鸵鸟吃草在巴西的潘塔纳尔高草大草原。
Incidentally, thicker shells also help prevent breakage for birds that lay eggs on rocks, and for ostriches and rheas.
而这厚壳也能帮助防止鸟儿下在岩石上蛋的破裂，对于鸵鸟和美洲鸵也是一样。
Incidentally, thicker shells also help prevent breakage for birds that lay eggs on rocks, and for ostriches and rheas.
而这厚壳也能帮助防止鸟儿下在岩石上蛋的破裂，对于鸵鸟和美洲鸵也是一样。
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