When George Mallory was found on Everest, scavengers had eaten his internal organs from one hole in his (frozen) skin. He was like a human-shaped shell.
What scavengers would that be? No small animal capable of doing that is known to be able to survive at that height. small number of birds can fly that high, that's about it.
"ossifrage" is interesting to see in a sentence because the word appeared in a famous 1977 RSA cryptographic challenge with the solution "The magic words are squeamish ossifrage". The challenge appeared in Martin Gardner's Scientific American column and took 17 years to break.