Elephant manager Eric Peterson has been asked a lot of questions in his 21 years at Hogle Zoo, but this was a new one. âHi, my name is Josh Schiffman. How do I get some elephant blood?â Schiffman had brought his three kids to see the African elephants, just as Peterson began a demonstration explaining how the zoo cares for the pachyderms inside and out â examining the bottoms of their feet and, once a week, taking blood from a vein behind their large ears. That made Schiffmanâs own ears perk up...