COLD OPEN+ · NATURE
COLD OPEN+ · Nº 29 of 40
11 Days of Flight Without Landing
A small bird flies from Alaska to the far side of the world nonstop — no food, no water, no rest, for over a week.
Wikimedia Commons · USFWSAlaska · Public domain
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THE ANIMAL
The bar-tailed godwit
A shorebird with a long bill and a modest size — nothing about it screams 'endurance machine.' Yet it holds one of the most extreme records in the entire animal kingdom.
Wikimedia Commons · Andreas Trepte · CC BY-SA 2.5
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THE FEAT
~11 DAYS
NONSTOP — ALASKA TO THE SOUTH PACIFIC
No stops for over a week
Satellite-tracked bar-tailed godwits have flown roughly 13,000 kilometers (about 8,000 miles) across the open Pacific in a single nonstop journey lasting around 11 days — the longest continuous flight ever recorded for a land-based bird. A 2022 flight set the record.
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THE PROBLEM
There's nowhere to land
The route crosses vast open ocean. There are no islands to rest on, no fresh water, no food. Stopping isn't an option. The bird must carry everything it needs — in its own body — from the very start.
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HOW IT SURVIVES
It rebuilds its own body first
Before takeoff, the godwit transforms itself.
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Gorges to nearly double its body weight in fat
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Shrinks its own stomach and other organs to save weight
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Grows its flight muscles and heart
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Waits for the right tailwinds
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Launches — and doesn't touch down for over a week
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THE NAVIGATION
And it doesn't get lost
With no landmarks over open ocean, the godwit finds a specific destination thousands of miles away using cues like the Earth's magnetic field and the sun — an internal navigation system we're still trying to understand.
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THE TAKEAWAY
A bird you could hold in your hands outperforms every machine at endurance flight.
No engine, no refueling, no map. Just a body tuned by evolution to do something that still sounds impossible.
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THE RECEIPTS · THIS REALLY HAPPENED
Look it up yourself
Tracked by scientists with satellite tags.
ANIMAL
The bar-tailed godwit
THE FEAT
Nonstop Alaska-to-South-Pacific flight
DISTANCE
About 13,000 km (~8,000 miles)
DURATION
Around 11 days without landing
RECORD FLIGHT
Satellite-tracked in 2022
THE PREP
Nearly doubles its weight, shrinks organs
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DISCUSS
What do you think?
How does a bird 'know' to eat its own organs before a flight?
What could human engineers learn from a godwit's efficiency?
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