The knocking sand frog, sometimes also known as sandveld pyxie or Kruger burrowing frog (Tomopterna krugerensis) is a species of frog in the family Pyxicephalidae. It is found in southern Angola, Namibia, Botswana, southern Zimbabwe, southern Mozambique, northern South Africa, and Swaziland. This species was discovered during the evening of 23 October 1973 in South Africa's Kruger National Park. Two weeks after heavy rain fell in the area, large numbers were fou