Found a cooler containing bones (NSFW) in the middle of the desert, what is this bone?

Hey everyone, got another mystery bone to be solved. I was hiking in the desert and found a cooler. Inside was organic matter and a few visible bones. I know it’s not the best image for identifying, but can anyone here see if the main bone looks human or animal?

I did call it in to local law enforcement just to be on the safe side. The deputy who met me there was unsure if it was animal or human too. My second thought after calling the non-emergency line was to check with you guys lol.