What the cockatoos are doing is not all that spectacular actually. The take-home point no one wants to talk about is that chimpanzees are not outstandingly more bright than many birds, despite their close genetic relationship to humans.
Cockatoos can learn to adjust tools
From ScienceDaily: Captive Goffins are capable of inventing and manipulating tools, even though they aren’t known to use tools habitually. The authors of the present study investigated two questions: do Goffins adjust tool properties to save effort, and if so, how accurately can they adjust tool dimensions for the task? The authors supplied six adult Read More…