The last living animal in a lineage is known as an endling. There have been several famous endlings, such as Martha, the last passenger pigeon, who perished in 1914. If the endling was the last for a species, such as Martha, that’s an extinction. If it’s the last for a localized population, that’s an extirpation.

Children at an Alaska elementary school began complaining that the milk was burning their mouths and throats, school officials said. A dozen students and two adults at Glacier Valley Elementary School in Juneau, Alaska, were served floor sealant instead of milk at the school after containers were apparently mixed up, the superintendent said Wednesday.

An Alaskan elementary school serves floor sealer instead of milk for breakfast - The Limited Times A dozen children at the educational center consumed the chemical. The authorities point out that those responsible made a mistake. A dozen elementary school children consumed floor caulking after it was served instead of milk at a breakfast program in Alaska, school officials said Wednesday.