@futurebird I'm not sure but I remember having read a text about parallels of very early humans preparing meals and animals. Depends also on the definition of cooking: is it also preparing cold, fermenting? (Apes do love fermented fruits,lots of animals consume natural drugs/alcohol). Or does it need fire? Animals can use sun heat.
I once had a Husky preparing chewing treats. He collected earthworms, transported them to the only place with sand and rolled them there with the paws. Then he