“[T]he fascination with humans and the failure to understand basic condor etiquette were signs of a more profound problem. Those first reintroduced birds were released too young, and had not had contact with adults who could teach them how a condor behaves.”
“Dunne and her colleagues found traces of 3,000-year-old fatty acids from ancient milk still clinging to the insides of the vessels. … The amount of material the archaeologists found suggested that the vessels had seen a lot of use—or had been filled with milk before being placed in the children’s graves.”