Topic: Asian elephant

During experiments at the Zoo Berlin over 2.5 years we noticed several very interesting and noteworthy things about 11-year-old female Asian elephant Anchali’s performance. She was trained to match fruits; using four different types of fruit Anchali learned to pick one from a box and choose the same type out of two different. Our first observation was that she can generalize this concept of matching same with same to various types of fruit she had not been trained with or even never tasted. She picked correctly in ~80% of the trials. To test out limitations, we offered either ¼, ½, or a full f