How a rhino gets rid of its ticks

After a relaxing wallow in the watering hole, rhino like to have a good scratch.

They get itchy because ticks, tiny arachnids that live on the blood of mammals and birds, attach themselves to their skin.

Rhino use special grooming posts that are just the right height to remove the little creepy crawlies.

Head ranger Chris Sussens, at Tshukudu Game Reserve in South Africa, has more...