A 3 Million-Year-Old Discovery May Rewrite the History of Intelligent Life on Earth

[Warpy]

10. The more you know about birds, the more you realize "bird brain" is a compliment

I don't know if the stones in their gizzards are tools or just naturally picked up with their food along with smaller bits of sand that would just pass on through. I do know that quite a few species have been spotted using twigs to harvest insects. Australian magpies and worldwide corvids (crows and ravens) have shows a great deal of problem solving ability. Raptors in Australia hhave been spotted dropping burning twigs during wildfires to burn small areas and drive their prey out into the open. I have to wonder if some do it here, also.