This mechanical bird drops dead when your home’s air quality worsens

The original Birdie debuted in 2022 with a morbid-but-fun design — an air-quality monitor with a literal canary in a coal mine. When the CO2 in your home hit a certain level, a mechanical bird mounted on your wall would appear to drop dead, then prompt you to open a window to air things out. Once the air quality improved, the bird miraculously came back to life. …