Rueppells Griffon Vulture
Classified as a “near threatened” species, this vulture, named after the German explorer and Zoologist, Eduard Ruppell. is believed to be the worlds highest flying bird and has been found at altitudes around 36,000 ft (~ 11,000 metres), although they are found more often ~20,000 ft (~6,000 metres)
As inhabitants of North Africa, America, India, Australia and Nepal, they tend to nest in large flocks in the dry mountainous regions.
Additional information can be found at http://www.phoenixzoo.org/visit/animal_news.aspx?ARTICLE_ID=100566