Bar-headed Goose
Anser indicus
Birds have a special respiratory system that allows them to take in more
oxygen than other animals, which is an adaptation for flying. The
highest flying bird, the bar-headed goose, has the best respiratory
system of any bird. Each year, flocks of bar-headed geese fly over Mt.
Everest, making the best use of what little oxygen remains at such high
altitude.
Fact file:
Height: 2.5 ft
Weight: 4 – 6.5 lbs
Habitat: Mountain rivers, lakes and grassy wetlands
Diet: Plant, crustaceans, and invertebrates
Current Range: Central and southern Asia