{"id":390,"date":"2020-06-02T22:47:00","date_gmt":"2020-06-02T19:47:00","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/mice-are-getting-mysteriously-smaller-study-finds-livingnews\/"},"modified":"2020-06-02T22:47:00","modified_gmt":"2020-06-02T19:47:00","slug":"mice-are-getting-mysteriously-smaller-study-finds-livingnews","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/mice-are-getting-mysteriously-smaller-study-finds-livingnews\/","title":{"rendered":"#Mice are getting mysteriously smaller, study finds #LivingNews"},"content":{"rendered":"

“Mice are getting mysteriously smaller, study finds<\/strong>”<\/p>\n

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June 2, 2020 |<\/span> 3:47pm |<\/span> Updated June 2, 2020 | 3:52pm<\/span><\/p>\n

\n Enlarge Image<\/p>\n

\"mice-shrinking-study\"<\/img>
\n Museum specimens, such as these deer mice in the National Museum of Natural History’s division of mammals, provide invaluable records of how animals have changed over time.<\/span>
\n Bryan McLean<\/span><\/p><\/div>\n

\n Mice are getting smaller.<\/p>\n

Some populations of one of America\u2019s most common mammals, the North American deer mouse, have been shrinking over the last 70 years. Researchers at the Florida Museum of Natural History analyzed seven decades worth of records on the rodent and found that they have been gradually decreasing in mass \u2014 and it\u2019s unclear why.<\/p>\n

\u201cThe most exciting aspect of this study was one that still remains mysterious \u2014 deer mice app<\/a>ear to be getting smaller over time, but it doesn\u2019t seem to directly relate to climatic drivers or urbanization,\u201d says study co-lead author Robert Guralnick in a press release.<\/p>\n

Authors of the study, published Monday in the journal Scientific Reports, set out to test Bergmann\u2019s Rule, a principle which contends that species in colder climates tend to be bigger and species in warmer climates tend to be smaller. This is because having more volume than heat-releasing body surface tends to make it easier for larger-bodied animals to retain heat. Conversely, having more body surface than volume helps smaller populations more quickly dissipate heat and keep cool, the rule goes.<\/p>\n

The scientists were curious to explore whether global warming is causing animals to shrink, and compiled thousands of historic and current mouse measurements to see if deer mice are indeed growing smaller. They were surprised to find that they are.<\/p>\n

\u201cPreliminarily, this is very intriguing, but we still don\u2019t know what drives this decrease in mass,\u201d says Guralnick. Adapting to better hide from humans and responding to the effect of urban heat on food resources are both considered possibilities, although more research is necessary.<\/p>\n

Confusingly, researchers also found that it was only the smaller-bodied deer mice populations which were shrinking; larger-bodied deer mice populations, they found, have been getting larger. This may be reflective of \u201can increasingly fragmented landscape,\u201d they write.<\/p>\n

\u201cEven in a small mammal like this, a minor change in body mass could have really important consequences for optimizing [energy],\u201d says co-author Bryan McLean.\n <\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n

Source<\/a><\/span><\/p>\n

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“Mice are getting mysteriously smaller, study finds” June 2, 2020 | 3:47pm | Updated June 2, 2020 | 3:52pm Enlarge Image Museum specimens, such as these deer mice in the National Museum of Natural History’s division of mammals, provide invaluable records of how animals have changed over time. Bryan McLean Mice are getting smaller. Some…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[1],"tags":[604,602,603],"class_list":["post-390","post","type-post","status-publish","format-standard","hentry","category-general","tag-all-the-better-to-hide-from-unsuspecting-humans","tag-mice-are-getting-mysteriously-smaller","tag-study-finds"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=390"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/390\/revisions"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}