That same Boar was shot in Conroe, Texas, Northern Louisiana, and a host of other places.
That picture was taken with forced perspective, making it look 3 times bigger than it actually is. 1800 lbs would be about a half to bigger than Hogzilla.
Here's The camera data:
Make = Hewlett-Packard
Model = HP PhotoSmart C945 (V01.60)
Software = ACD Systems Digital Imaging
Date Time = 2005-10-09 10:17:37
Actually it was shot in Europe or Turkey, you can see the pictures
here.