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- The whales became stranded after they stayed too long in their feeding grounds, long after the other whales had left to migrate south for the winter. The holes in the ice were needed for the whales to breathe. Small holes (Image credit: NOAA.) Early in the rescue, the three gray whales were breathing through small holes to get air.
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Feb 6, 2012 · The whales were coaxed from breathing hole to breathing hole, slowly moving out toward the open ocean. Operation Breakthrough. On the other side of the frozen ice, a Soviet icebreaker...
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Early in the rescue, the three gray whales were breathing...
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As whales reach the water surface to breathe, they forcefully expel air through the blowhole. The exhalation is released into the comparably lower-pressure, colder atmosphere, and any water vapor condenses.
Aug 26, 2021 · The location of their “nose”, the blowhole, on the top of their head allows them to exchange breathing air efficiently during the sometimes brief surfacing. But how does the blowhole of whales and dolphins actually get on top of the head?
Feb 6, 2012 · Early in the rescue, the three gray whales were breathing through small holes to get air. Inupiat hunters came to help cut bigger holes in the ice through the whales, using their...
Jan 25, 2021 · Working around the clock, and in temperatures below -20F, volunteers continued cutting breathing holes in the ice for the whales. Finally, one hurdle remained between the whales and open water – a massive pressure ridge of grounded sea ice, about 20 ft high and just as deep.
Feb 7, 2012 · The whales were coaxed from breathing hole to breathing hole, slowly moving out toward the open ocean. Operation Breakthrough. On the other side of the frozen ice, a Soviet icebreaker...
Mar 18, 2008 · Nasal Drift in Early Whales Whales breathed with more ease when they no longer had to lift a snout above water. The nostrils migrated upward toward the top of their head, as ancient whales spent more time immersed in the water. Blowholes help to distinguish modern forms of whales.
