The pant-hoot of a chimpanzee is one of the most visceral sounds in nature – a rolling call that rises to a crescendo. I once heard the call cutting through the heavy silence of the evening air. The cacophony trailed off and ended with the two apes patting one another, in reassurance and reconciliation.
Unlike most chimpanzee hoots performed in dense African forests, the echoes of this one bounced off the towering sandstone pillars of a cathedral. There were no chimpanzees in sight, just two humans in front of an audience of hundreds, at a science festival. As my heart rate returned to normal, I sat back down to resume my interview with the legendary Dr Jane Goodall.
News of her death, at the age of 91, is being felt around the globe. The grief is both personal and collective. For countless biologists, naturalists, conservationists and animal-lovers, she was a constant presence – a guiding light who shifted how we see the natural world and our place in it.