It would be a horribly inefficient system if they flew all around the place visiting flowers they had already emptied. As a matter of fact, they would be using more energy than they would be taking in. That's why we expected them to be able to do this, and we were, of course, delighted to find that they could indeed solve this type of problem. |
Not bad for a bird with a brain 7,000 times smaller than our own. |
That is something I don't think I could do very accurately at all. |