On 17 June 1831, the Best Friend of Charleston, America’s first commercially built steam locomotive, exploded after a fireman sat on its safety valve to silence the hissing. The blast killed the fireman, injured the engineer, and destroyed the locomotive. The South Carolina Canal and Rail Road Company rebuilt it as the Phoenix and introduced cotton bale buffers between engine and passengers, an early attempt at railway safety. Meanwhile, 156 years later on the same date, a small bird called Orange Band died at Walt Disney World. He was the last dusky seaside sparrow, a victim of habitat destruction, pesticide use, and delayed conservation efforts. Both stories centre on warnings ignored: the hiss of a valve designed to prevent disaster, and the slow disappearance of a species no one noticed until it was too late. Clara Vale tells the story of human overconfidence, new technology, and the cost of not listening when systems try to speak.