You hang a new anti-squirrel bird feeder up in your yard. At…

You hang a new anti-squirrel bird feeder up in your yard. At first, the contraption seems to work, but after two weeks of unsuccessful trial & error the squirrels have devised a complex strategy to get the seeds inside. This problem-solving behavior required: awareness of the obstacles and potential rewards, memory of what strategies have failed in the past, and  reasoning to develop new approaches. This is an example of…