You can find more details about Ayapenco, as well as a list of other endangered languages, in this article.
OK, firstly I apologise for not updating this thing in ages (have been very busy with final year of degree, moving house, weddings etc.). I shall attempt to post more regularly from now on (and please, feel free to post your own interesting discoveries, that would be awesome).
Now I'll get on with it.
Quite recently I went to visit a falconry, where (unsurprisingly) I learned lots of random trivia about birds. This included the Ruppell's Griffon Vulture, the world's highest flying bird, which has been known to reach heights of 37,000 feet. And to put that into some sort of context, most civilian airplanes typically fly between 30,000 – 39,000 feet. In fact, that's how they know the vulture can fly that high, after an incident over the Ivory Coast back in 1973 when a vulture collided with a plane's engine in mid-air, forcing it to land. Needless to say, the plane did more damage to the poor vulture than the vulture did to it (sourced from this journal article).
Vultures can also safely consume biological materials that a human digestive system could not hope to cope with, such as anthrax, cholera or salmonella, owing to the very high concentration of acid in its stomach (known to approach pH 0). As a comparison, the pH level of a human stomach is usually about 2-3 overall). Vultures also have a habit of projectile vomiting whenever they feel threatened, so it's probably best not to upset one. Even more bizarrely, bald eagles have been known to induce vomiting in vultures so they can eat the sick (mmm, nutritious!). For more interesting facts about vultures, try this website.
Also on display at the falconry was a beautiful peregrine falcon, known to be the fastest creatures on earth. When diving through the air after prey, they have been clocked at over 240 mph (386 km). Watch a video of a diving falcon here.