Gorillas are unique creatures. The staff had known him and his moods for quite a while. Bobo, the gorilla, was not a stranger to them; they had become accustomed to him and knew how to deal with him. But this time, everything was different. He acted strangely and hid from them.
That was new. Now they were alarmed. This was a behavior that Bobo had never shown before. They had to find out what was causing it. .