World's Largest Gorilla Species at Risk of Extinction

The population of the world's largest ape has collapsed over the last two decades. Officials from the International Union for Conservation of Nature (IUCN) announced Sunday (Sept. 4) that they're raising the threatened status of the Grauer's gorilla from "endangered" to "critically endangered," the highest category before extinction. "Critical endangered status will raise the profile of this gorilla subspecies and bring attention to its plight," Andrew Plumptre, the lead author of the new listin