Do vultures fly as high as eagles?

I don't quite understand how a vulture could survive on the low oxygen partial pressure at 36,000 feet. Consider that Mount Everest is 29,000 feet high and at that altitude climbers have to use supplemental oxygen mask assistance. read more

Of course they do. The Ruppell’s Vulture can soar as high as 37000 feet. That’s higher than the summit of Mount Everest. List of birds by flight heights read more

They also have a wingspan of 2.5-2.7 meters. The strong, large wings let the bearded vultures to soaring high above mountainous areas. They are capable of flying at an altitude of 24000 ft above the ground. Bearded vultures also known as ‘bone-eater’ because they exclusively feed on carcass bones. They swallow small bones by the whole. read more