Psychologists used to believe that humans were the only animals that could spontaneously detect and move to a complex beat pattern, but researchers have recently studied an animal that defies this. The animal's name is ________.
1) Ronin, the head-beating California sea lion
2) Ronnie, the singing bottlenose dolphin
3) Haram-B, the beat-boxing gorilla
4) Snowball, the dancing cockatoo