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destuctir t1_ixd1tg1 wrote

Reply to comment by sdn in TIL of Friendly Floatees, an armada of 28,000 rubber ducks that were accidentally spilled into the Pacific Ocean in 1992 by a container ship. Researchers then used them to track ocean currents until 2007. by oscillathor

The ice sheets of the arctic advance and retreat during the year, I imagine the ducks were trapped in ice frequently before thawing and continuing east over Canada and Greenland.

Edit: duh asked about the northwest passage, ducks were never found in the area which suggested they avoided the tight corridors somehow.

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