The article deals with this, slightly tongue in cheek, as: > A funny pattern in animal behaviour seems to be that whatever difficult task you devise will even

The article deals with this, slightly tongue in cheek, as: > A funny pattern in animal behaviour seems to be that whatever difficult task you devise will eventually be done by pigeons A charitable interpretation is that scientifically, we ascribe the simplest possible behaviour (no conscious thought! No tool making! No tool using!) to animals and treat it as a notable result when these assumptions are proven wrong.