Sightings of geese flying over Mount Everest may be true, scientists say
Researchers found the bar-headed goose can alter its metabolism and cool its veins to fly at a high altitude.
Friday 6 September 2019 10:43, UK
Geese may have the ability to fly over Mount Everest, a study suggests, following reported sightings from climbers at the summit.
Researchers have found that bar-headed geese in particular can alter their metabolism to adapt to the low-oxygen atmosphere at high altitudes.
The discovery was made by kitting out test geese with censor-laden backpacks and breathing masks that mimic oxygen levels of up to 9,000m (29,5278ft), before analysing their flight in a wind tunnel.
Read more at: https://news.sky.com/story/sightings-of-geese-flying-over-mount-everest-may-be-true-scientists-say-11803349
The article goes on to discuss such details as to how high planes normally fly and so on.
I thought that was interesting though this could probably also go into science or other forums.
