{"id":34609,"date":"2023-12-12T17:35:07","date_gmt":"2023-12-12T16:35:07","guid":{"rendered":"http:\/\/7c9aeed3-1a53-44f1-811c-3eeb032e8adf"},"modified":"2023-12-12T18:36:50","modified_gmt":"2023-12-12T17:36:50","slug":"what-are-ice-worms-and-how-do-they-survive-freezing-conditions","status":"publish","type":"rss_feed","link":"https:\/\/c01.purpledshub.com\/bbcwildlife\/rss_feed\/what-are-ice-worms-and-how-do-they-survive-freezing-conditions\/","title":{"rendered":"What are ice worms and how do they survive freezing conditions?"},"content":{"rendered":"

A leftover from the last ice age, ice worms are remarkable creatures that can survive freezing temperatures says Michael Engelhard <\/p>

By Michael Engelhard\n <\/p>

Published: Tuesday, 12 December 2023 at 16:35 PM<\/p>

\n\n

Did you now there are some worms that can live in ice? Ice worms can be found living in ice in Alaska, Washington, Oregon and British Columbia. These dark brown or black relics of the last ice age<\/a> grow to about 2cm in length and wiggle to the surface of glaciers in the morning and evening to feed on pink snow algae.<\/p>

Can any animals survive freezing?<\/a><\/li><\/ul>
Closely related to earthworms<\/a> and leeches, these cold-loving creatures are the only annelids that spend their entire lives in glacial ice, travelling up to 3m per hour on crampon-like bristles. It is not yet known whether they tunnel inside glaciers by discharging some kind of chemical, or by squeezing through microscopic fissures. <\/p>
Ice worms require chilly temperatures of around 0 \u030aC to survive. Special antifreeze proteins prevent them from becoming \u2018wormsicles\u2019, and they are able to overwinter deep inside snow-insulated glaciers. If exposed to the balmy warmth of 4.4 \u030aC, their membranes dissolve and they will melt into goo. <\/p>
Meet more strange worms<\/strong><\/p>
- Bobbit worm, a terrifying 3 metre marine worm that can cut its prey in half<\/a><\/li>
- Ragworms guide: what they are, where they live and what they eat<\/a><\/li><\/ul>
  Main image: Ice worm \u00a9 Southwick3, CC BY-SA 3.0 https:\/\/creativecommons.org\/licenses\/by-sa\/3.0<\/a>, via Wikimedia Commons<\/p> <\/body><\/html>\n
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