" The whales always fell silent when the throbbing hum of humanity grew overwhelming. Whenever a ship of any size came near, I had to take off the headset to protect my ears. I wondered if a species that had taken millennia to evolve such a delicate and sophisticated sense of hearing could adapt to humanity’s sonic onslaught. My notes from the time bear witness to the effect on my own primitive ears: “I have been listening to boats all day; my head is throbbing; the silence of my canvas tent feels good tonight—poor whales.” That "

― , Listening to Whales: What the Orcas Have Taught Us