WARNING DISCUSSING DECOMP
This is an interesting study done, in the desert outside of Las Vegas, to see how hot, dry desert climate affects decomp in pigs. They buried two and left one on the surface. To very broadly sum up what they found for the
pig on the surface, the lack of humidity leads to fairly rapid mummification. There was less insect activity and little to no animal interest. No vultures, no necrophagic birds. No animal tracks around the site. One bird came to the surface remains to eat flies. One of the people involved in the study had his dog with him. The dog showed no interest. They noted very faint odor downwind of surface specimen.
https://digitalscholarship.unlv.edu/cgi/viewcontent.cgi?article=2140&context=thesesdissertations