But They Didn’t Inhale

Smoking rates recently dropped below 10% for the first time since we got into the habit. That’s among Americans. American humans, to be more precise. Cigarette use has actually increased among birds. “Darwin’s finches in the Galápagos, house finches in Mexico and song thrushes in New Zealand have all developed a curious habit: They put cigarette butts in their nests. Some songbirds in Britain are even nesting in outdoor ashtrays.” NYT (Gift Article): Why Some Birds Seem to Be Developing a Cigarette Habit. “Cigarette butts contain about 4,000 chemical compounds, including nicotine, arsenic, polycyclic aromatic hydrocarbons and heavy metals. These compounds could ward off pests that harm birds and their offspring.”