Last-ditch attempt to save world's most endangered porpoise gets go-ahead
nature Two vaquitas (Phocoena sinus) - a critically endangered porpoise species endemic to the northern part of the Gulf of California. It is considered the smallest and most endangered cetacean in the world. Photo credit - NOAA. Funds approved for plan to round up last 30 vaquitas into protective 'sea pens.' Story here.