Can small birds fly higher than bigger birds?

Can Small Birds Fly Higher Than Bigger Birds?

From Quora

Miniature new transmitters recently revealed that the 4-ounce Arctic Tern (113-gram) bird follows zigzagging routes between Greenland and Antarctica each year.

A fat cockatiel weighs a little more than 100 grams.

In the process, the arctic tern racks up as much as 56,000 frequent flier miles – edging out its archrival, the sooty shearwater, by roughly 12,000 miles.

How well would a parrot be able to handle elevations higher than 12,000 feet?

Altitude is not a migrating bird’s friend as it requires a huge amount of calories to gain.

There’s also the problem of extracting oxygen from the air because air at very high altitudes becomes problematic.

How well would a parrot be able to handle elevations higher than 12,000 feet?

Mother nature feels that yes, bigger birds should be the ones to fly at higher altitudes.

Let’s look at the Rüppell’s vulture, a very large bird, that has been reported by commercial airline pilots seen at altitudes of Over 37,000 Feet (almost 7 miles above the earth).

Ruppells vulture on fence with wings about to extend

The temperature at that altitude is typically about -56.5°C (-69.7°F) yet there they are, with bald heads flapping their wings 7 miles above the earth – it’s a DNA thing

          Some Bird’s Maximum Heights
Rüppell’s vulture     11,300 metres (37,100 feet).
Common crane       10,000 metres (33,000 feet)
Bar-headed goose    8,800 metres (29,000 feet)
Whooper swan          8,200 metres (27,000 feet)
Alpine chough           8,000 metres (26,500 feet)
Bearded vulture        7,300 metres (24,000 feet).
Andean condor         6,500 metres (21,300 feet)
Mallard                      6,400 metres (21,000 feet)
Bar-tailed godwit       6,000 metres (20,000 feet)
White stork                4,800 metres (16,000 feet).

Original Quora thread

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