Japanese Professor Claims That Crows Respect Written “Do Not Enter” Signs
When a friend and “crow expert” told Katsufumi Sato to hang some “do not enter signs” on the outside of a building to keep pesky crows a way, the Japanese professor thought he was only kidding, but after three years of employing the bizarre strategy, he says it works perfectly. Sato, a professor of ethology, hanged […]