Ok Ok looks like I stumped everyone this time, it is a rattle snake its called a El muerto Island Rattle snake (Crotalus muertensis), when I was in the USA in 2001 I went to the Uni of California and they showed me around their Herp section, there just roome and rooms of different rattlers vipers, cobras Gilas monster and other wicked stuff.
Look out for my next photo.