According to the San Francisco Examiner in 1968, Robison initially "gave Buck ideas on the use of tropical birds for added interest at the exposition." Buck began to visit frequently to talk to Ansel Robison and look at the animals until he was virtually "haunting the place".
According to the San Francisco Examiner in 1968, Robison initially provided Buck with ideas on incorporating tropical birds into the exposition.  Buck became so enamored with the idea that he visited Robison frequently and spent a great deal of time at the location.