Explanation provided by Mr. Masao Kosuge (Director of Asahiyama Zoo, temporary member of the Subdivision on Lifelong Learning, Central Council for Education)
Zoos have traditionally raised various animals from around the world, and exhibited only their morphological characteristics, providing explanations in such a context. In the wild, orangutans use their long arms to swing from tree to tree in search of food. They never have to lower themselves down to the forest surface. In zoos, however, orangutans are often seen with their long limbs folded up and eyes staring up as they sit on the floor. This does not convey to visitors the unique appeal and qualities of the orangutan. To really convey their charm, we needed to show them in action. We, therefore, devised a construction comprised of two 17m poles, one set in the middle of a former exercise yard and another set 14m apart, in between which we placed an H-steel bar and two strands of rope above and below one another. Our thought was that it would be truly impressive to see the orangutans, some of which weigh more than 100kg, leaping about overhead. It was a simple construction, but one that has transformed the orangutans’ once dull lives. The females in the group swing across the ropes using their arms, and the males, with their formidable arm grasping power of 500kg cling grimly to the steel bar between the two poles. The orangutans listen to the cheering voices from the visitors down below and respond with proud smiles. This newfound release in their activities has also affected their breeding habits. Visitors look up enviously in awe at the orangutans’ abilities, adding their words of admiration. This is one of Asahiyama Zoo’s action exhibits.
▲Orangutan Action Exhibit at Asahiyama Zoo, Asahikawa City (Hokkaido Prefecture)
