Fable about orangutans and nuts

In Hanover zoo in the aviary with orangutans put machine with nuts. To get the nuts, monkeys were required to complete a chain of successive actions. How it ended, see below.






Orangutan Zoo Hanover presented their own machine with nuts. (REX FEATURES)



Before placing the bottom nuts, where they already can get it, orangutans have to spend a sequence of actions. (REX FEATURES)



As can be seen from these photographs, monkeys were able to find the right solution to the problem. (REX FEATURES)



After two or three attempts to single ... (REX FEATURES)



... And some thought ... (REX FEATURES)



... Monkey returned to the classic technique of "shake machine." (REX FEATURES)



And yet ... (REX FEATURES)



... Orangutans could not find the right approach to solving the problem. (REX FEATURES)



Poor souls, nuts nearby, and get them in any way. (REX FEATURES)



Had to settle than it is. (REX FEATURES)



Happiness was so close. (REX FEATURES)