The populations of tigers have been estimated using plaster casts of their pugmarks, although this method was criticized as being inaccurate.
This method was criticized as being inaccurate. The populations of tigers were estimated in the past using plaster casts of their pugmarks.
The populations of tigers were estimated in the past using plaster casts of their pugmarks. This method was criticized as being inaccurate.
The populations of tigers were estimated in the past using plaster casts of their pugmarks. This method was criticized as being inaccurate.