High Quality Content by WIKIPEDIA articles! The Xinjiang Ground-jay or Biddulph's Ground Jay (Podoces biddulphi) is a species of bird in the Corvidae family. It is endemic to China. It is threatened by habitat loss. Birds are winged, bipedal, endothermic (warm-blooded), egg-laying, vertebrate animals. There are around 10,000 living species, making them the most varied of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from the 5 cm (2 in) Bee Hummingbird to the 2.75 m (9 ft) Ostrich.

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