最近,中国科学院古脊椎动物与古人类研究所的古哺乳动物学家们在甘肃临夏盆地工作时,采到一件属于晚中新世地层中的大型地栖鸟类的腰带骨骼.经研究,这一大型鸟类属鸵鸟类的一个早期代表,可归入鸵鸟属(Struthio).从中新世至上新世,鸵鸟化石通常和三趾马动物群共生.化石产出地区 Recently, ancient mammalian zoologists from the Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, collected a belt skeleton of a large, endemic bird belonging to the Late Miocene formations while working in Linxia Basin, Gansu Province. After research, This large bird is an early representative of the ostrich and can be classified as Struthio. From the Miocene to the Pliocene, ostrich fossils often co-exist with the Trippodon fauna.