Geese ride airborne "roller coaster" in migration across Himalayas - CBS News
Birds cross Himalayas | The Why Files
Birds cross Himalayas | The Why Files
Bar-headed geese: Highest bird migration tracked - BBC News
Geese Fly Over Himalayas Using Rollercoaster Strategy | IFLScience
Contents | Science 347, 6219
Which is the bird that can fly in the highest altitude in the world? How can it fly in high altitudes? - Quora
The bird that can fly over the Himalayas: the brilliant bar-headed goose | WWT
The trans-Himalayan flights of bar-headed geese (Anser indicus) | PNAS
The paradox of extreme high-altitude migration in bar-headed geese Anser indicus | Proceedings of the Royal Society B: Biological Sciences
High-flying geese take low profile over Himalayas
How Bar-Headed Geese Scale the Himalayas - Scientific American
The paradox of extreme high-altitude migration in bar-headed geese Anser indicus | Proceedings of the Royal Society B: Biological Sciences
Birds cross Himalayas | The Why Files
How do migratory birds find their way ? - News - EducaPoles - International Polar Foundation's educational site
These High-Flying Geese Are 'the Astronauts of the Bird World' - The New York Times
Why do geese fly south for the winter at different times of the season? - Quora
Why do geese fly south for the winter at different times of the season? - Quora
Flock of bar-headed geese arrives at Point Calimere sanctuary
The high flyers – DW – 09/11/2017
Geese Fly Together | National Geographic - YouTube
Bar-headed geese: Highest bird migration tracked - BBC News
The paradox of extreme high-altitude migration in bar-headed geese Anser indicus | Proceedings of the Royal Society B: Biological Sciences
These High-Flying Geese Are 'the Astronauts of the Bird World' - The New York Times
The high flyers – DW – 09/11/2017
High-flying geese take low profile over Himalayas
