Sigmund Freud once observed that birds ‘don’t seem to be submitted to the same laws of gravity as us’, and yet apart from gravity they would die for they need gravity to swallow. I was thinking about this this morning, over good coffee and reasonable porridge, while I was reading about murmurations (the technical name for a flock of starlings whose phenomenal flight patterns signal that winter is on the way), and sitting spell-bound by this recently-posted clip by British filmmakers Liberty Smith and Sophie Windsor Clive: