Asked by: Kanika Ahuja, Winchester
In the 1940s in the US, a chicken called Mike lived for 18 months without a head. He had been almost completely beheaded with an axe, but crucially the jugular vein and most of the brainstem were left intact. This left just enough brain function for essential functions, like breathing, and Mike was fed with an eyedropper through the stump of his neck.
In Thailand, in March 2018, a similar case was reported, and the strong-stomached can even watch a video of the headless chicken online. But for more normal, complete beheadings, a chicken will die of blood loss in a matter of minutes.
Read more:
Subscribe to BBC Focus magazine for fascinating new Q&As every month and follow @sciencefocusQA on Twitter for your daily dose of fun facts.
