Meet the shrew with the incredible shrinking head

Science | AAAS | 10/23/2017 | Staff
princia (Posted by) Level 3
Click For Photo: http://www.sciencemag.org/sites/default/files/styles/article_main_large/public/cc_Our-study-species%2C-the-common-shrew-Sorex-araneus.-CREDIT-Karol-Zub_16x9.jpg?itok=wrIjio-l

A shrinking skull would be fatal to most animals, but not to this red-toothed shrew (Sorex araneus, pictured). The head of this tiny mammal shrinks by up to 20% every winter, and grows back at the onset of spring, according to a study published today in Current Biology. To document this phenomenon, the researchers used live traps to capture 12 shrews from June 2014 to October 2015. Then they anesthetized the animals before microchipping them for later identification and x-raying of...
(Excerpt) Read more at: Science | AAAS
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