Humans, rare but not nonexistent. He sort of wants to lurk and figure out what their culture is, if it's discernable from the general Hari culture at all.
Ten miles is a quick jog. But he probably can't just barge in there, it's a crime, right? This is more annoying than he predicted it would be. There are swathes of mostly untouched nature in America, despite rampant urbanization.
It would be weird to buy blood from a person and not hypnotize the event away. He's too used to keeping up the masquerade.
Sigh.
(And all these farmers are probably doing it inefficiently but that's not his problem.)
He finds a place with recently butchered livestock by smell and offers to buy some livestock blood. Preferably pig, not sheep or cow or whatever.