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    Водлозерский национальный парк в Архангельской области

    Hundreds of Thousands of Cannibal Ants Escape From Abandoned Soviet Nuclear Bunker in Poland

    © Sputnik / Игорь Подгорный
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    Local researchers discovered a mysterious colony of ants, blocked from the outer world in the facility where the atomic weapons used to be kept. Although it consisted only of working ants, it did not only manage to maintain its self-organisation but also went in size.

    Researchers in Poland have built an escape boardwalk to experiment with an ant colony that was discovered in an abandoned Soviet ammunition bunker to solve the mystery behind its growth. As the experiment showed, the ants, which had lived in complete isolation for years without an opportunity to leave, used the route to escape, leaving the dead bodies of their colony’s members behind.

    After zoologists studied the remains, they discovered bite marks and holes in the abdomen and other parts, which led them to the conclusion that cannibalism had helped the underground ants survive.

    According to the publication in the Journal of Hymenoptera Research, the team from the Museum and Institute of Zoology and the Polish Academy of Sciences discovered the little inhabitants of the former nuclear weapons storage in 2013. They suggested that they might have fallen down there via a vent pipe from a colony above and become isolated.

    Checking up on them two years later, the researchers discovered that there were even more insects than before, with the population having gone up to hundreds of thousands, although the colony consisted of worker ants and could not procreate. The escape route was installed in 2016 to find out whether the hordes would use the opportunity to leave.

    Ants in Vodlosersk Nature Park
    © Sputnik / Игорь Подгорный

    "The survival and growth of the bunker 'colony' through the years, without producing own offspring, was possible owing to continuous supply of new workers from the upper nest and accumulation of nestmate corpses. The corpses served as an inexhaustible source of food which substantially allowed survival of the ants trapped down in otherwise extremely unfavourable conditions", the researchers concluded, as cited by Newsweek.

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    nuclear bunker, bunker, scientists, ants, Poland
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