Picture a mountain so sheer on every side that the only way to reach its summit is by helicopter or a technical rock climb.<\/p>\n
The plateau at the top is barely a mile across<\/strong>, wrapped in cloud, and fractured by crevices plunging more than 300 feet into the rock.<\/p>\n Almost nobody goes up there.<\/p>\n Which is exactly why what lives on that summit has been hiding from science<\/strong> for so long.<\/p>\n The Guiana Shield is an ancient geological formation spanning much of French Guiana, Suriname, Guyana, and southern Venezuela.<\/p>\n It is one of the most biodiverse regions<\/strong> on Earth, and its flat topped summits are called tepuis.<\/p>\n Each one is essentially its own island in the sky.<\/p>\n The highland plateaus have been largely isolated from one another for millions of years, giving rise to species found nowhere else on the planet.<\/p>\n The region inspired Arthur Conan Doyle’s novel The Lost World<\/em>, and it earns that name in ways Doyle never imagined.<\/p>\n This particular mountain hosts carnivorous plants, extensive cave systems, and isolated species with millions of years<\/strong> to go their own way.<\/p>\n And yet most of the summits have been visited only a handful of times.<\/p>\n The summit of Wei-Assipu-tepui is accessible only by a technical climb or helicopter.<\/p>\n The plateau is about three square kilometers wide, with crevices fractured more than 100 meters into the ground.<\/p>\n A researcher arrived there with a torch, a notebook, and a plan to survey whatever animals the mountain was hiding.<\/p>\n The days up there passed without incident.<\/p>\n The nights were not so calm<\/strong>.<\/p>\n During his time on the summit, the researcher noticed numerous cryptic frogs that only came out after dark, found on the ground, on leaves, under rocks, and in crevices.<\/p>\n To a casual eye they looked like nothing special<\/strong>, small brown shapes vanishing into the dark the moment the light swung their way.<\/p>\n The frogs looked so ordinary that it took laboratory analysis back home to reveal what the mountain had been keeping secret.<\/p>\n DNA testing found between 4.1 and 4.9 percent genetic divergence from the nearest relatives, a gap greater than the distance<\/strong> between other recognized species.<\/p>\n Their colors shifted wildly too, ranging from plain medium brown to chestnut and brownish red.<\/p>\n Two frogs side by side on the same leaf could look like entirely different animals, which is part of why the species stayed hidden so long.<\/p>\n Despite being genetically distinct, these frogs are morphologically similar to another species found on a Venezuelan summit.<\/p>\n The study noted that resemblance as remarkable<\/strong>, precisely because the two are phylogenetically separate members of the same evolutionary clade.<\/p>\n The animal on that misty summit is a new frog species<\/a> named Stefania maccullochi<\/em>, formally described in the journal Zoological Letters.<\/p>\n It is known to exist only on the Wei-Assipu-tepui tabletop mountain, on the border of Guyana and Brazil.<\/p>\n Females reach about 2.9 inches in length, with males noticeably smaller<\/a> at around 2.1 inches.<\/p>\n But the detail that stopped the researcher was not the size or the color.<\/p>\n This frog carries its eggs directly on its back, and once hatched, the froglets remain there.<\/p>\n Several females were observed carrying their babies, with one female photographed on a leaf with nine babies<\/strong> riding along.<\/p>\n There is no pond, no clutch of eggs in the water, no tadpole stage<\/strong> at all.<\/p>\n The mother is the whole nursery.<\/p>\n This behavior is part of what makes the Stefania group so remarkable, and among newly named species<\/a> emerging from old assumptions, these frogs dissolve the line between parent and habitat entirely.<\/p>\n They are not alone in rewriting what we thought we knew: a backyard bird<\/a> that hammers trees up to 20 times a second turned out to hold its own neurological surprises.<\/p>\n Stefania maccullochi<\/em> is already listed as critically endangered by the IUCN.<\/p>\n Its entire known world is a plateau barely the size of a few city blocks, reachable only by helicopter.<\/p>\n That isolation is both the reason the species survived in its own evolutionary lane and the reason it faces such a thin margin<\/strong> of safety.<\/p>\n Scientists believe many cryptic species across the Guiana Highlands remain unnamed and undescribed.<\/p>\n The frog that carries her babies like a living backpack<\/strong> is a reminder that the planet’s inventory of life is still very much unfinished.<\/p>\n Some of its most extraordinary chapters are sitting on mountaintops that almost nobody has ever thought to climb.<\/p>\n And some are only a few inches long, brown enough to look like bark, and waiting patiently in the dark.<\/p>\n","protected":false},"excerpt":{"rendered":" Picture a mountain so sheer on every side that the only way to reach its summit is by helicopter or a technical rock climb. The plateau at the top is barely a mile across, wrapped in cloud, and fractured by crevices plunging more than 300 feet into the rock. Almost nobody goes up there. Which … Read more<\/a><\/p>\n","protected":false},"author":28,"featured_media":30144,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_focus_keyword":"7 870 foot","rank_math_title":"A 7,870 foot mountain reachable only by helicopter shelters a species found nowhere else on Earth, and the small brown creature blinking back at researchers in the torchlight was carrying 9 live passengers on her back","rank_math_description":"A researcher reached a remote tabletop mountain on the Brazil-Guyana border and discovered a new frog species with up to 9 babies clinging to her back.","footnotes":""},"categories":[83],"tags":[],"class_list":["post-30145","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-earth"],"_links":{"self":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/posts\/30145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/comments?post=30145"}],"version-history":[{"count":0,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/posts\/30145\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/media\/30144"}],"wp:attachment":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/media?parent=30145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/categories?post=30145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/tags?post=30145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}A place that time forgot to update<\/h2>\n
The climb almost nobody makes<\/h2>\n
Something the DNA was not expecting<\/h2>\n
The new frog species with nine passengers<\/h2>\n
What a mountain this remote is still teaching us<\/h2>\n