Video showing the main differences between the three species of native newts in the UK: The Palmate Newt (Lissotriton [formerly Triturus] helveticus), the Smooth or Common Newt (Lissotriton [formerly Triturus] vulgaris) and the Great Crested or Warty Newt (Triturus cristatus).ideo showing the main differences between the three species of native newts in the UK: The Palmate Newt (Lissotriton [formerly Triturus] helveticus), the Smooth or Common Newt (Lissotriton [formerly Triturus] vulgaris) and the Great Crested or Warty Newt (Triturus cristatus).