Pythons are not native to the area but have become feral after individuals who are tired of having them as pets released them. Others have escaped from a avelsanläggning in connection with a hurricane destroyed the building in the 1990s.

have viltvårdarna worked feverishly to get rid of them then they devour both the raccoons, wildcats and possums – species reduced by up to 99 per cent in the area. Rabbits and foxes have disappeared.

Several methods have been used to track the snakes, but the method so far that has worked best is to use what viltvårdarna call for a ”Judas-serpent”. They provide a pytonhane with a transmitter, then he may twist out to look out at the females.

Experts believe that there are tens of thousands of pythons in the area.