The two-humped ungulates are native to Central Asia and can be found in the wild in Northwest China and Central Mongolia.
There are currently only around 950 wild Bactrian camels, which are the only truly wild camelids in the Old World.
Read More:
It is a separate species to the domesticated or feral Bactrian, which was domesticated around 2,500 BC and used to carry goods down the Silk Road.
A number of them served in the United States Camel Corps in the mid-1800s, a failed experiment in using the animals for military purposes.
Bactrian camels Quill and Quaver(Image: RZSS)
Thirty-three adult camels were purchased by the United States from Tunisia, Malta, Greece, Turkey, and Egypt between August 1855 and February 1856.
The Camel Corps was abandoned in 1866 due to the Civil War and the animals were sold for around $50 each.
The last surviving member, Topsy, died in April 1934 after a post-army career which included working in mines, appearing in early films, travelling in the circus and surviving being hit by a train.
Tickets to see the camels can be purchased here.