Study confirms that the bar-headed goose may be the world's highest flyer. In 1953, a mountain climber reported seeing a bar-headed goose (Anser indicus) soar over the peak of Mount Everest.

Can birds fly over the Himalayas?

Bar-headed geese can reach high altitudes during their migration across the Himalayas and Tibetan plateau because they can continue supporting the metabolic costs of flight as the air becomes extremely hypoxic.

Do birds fly over mountains?

Every year, millions of bar-headed geese migrate over the Himalayas and have been doing so for millions of years. They have been seen flying at 28,000 feet. They have flown over Mount Everest!