Drone footage of the magpie nest made of anti-nesting pins. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing ...

Mr Hiemstra's research started in the courtyard of a hospital in Antwerp, Belgium, where an enormous magpie nest was found containing some 1,500 spikes. "For the first few minutes, I just stared ...