Using the crafting feature, the player can create weapons, assemble a vehicle, and useful objects to kill enemies. There are a series of levels, and each level comes with a set of objectives that the player must accomplish to progress through the game. He can communicate with other players and teams up to survive together. The player can explore the environment from a top-down perspective, encounter other survivals (real-player), face infected people, and search for weapons, objects, items, and equipment. The game offers the zombie-apocalyptic where it takes place and puts the player in the role of the survivors who must effort to survive as long as possible. Ĭheck us out on EarthSnap, a free app brought to you by Eric Ralls and Day on Earth Survival is a Free-to-play, Massively Multiplayer Online Role-playing, Survival, and Strategy video game developed and published by Kefir for mobile platforms. The study is published in the Journal of Systematic Palaeontology. In a world dominated by towering dinosaurs, the tiny ice mouse and its incredible survival story stand as a testament to nature’s adaptability and resilience. This subterranean lifestyle might have been the saving grace for such mammals, especially after the cataclysmic meteorite crash that spelled doom for the dinosaurs 66 million years ago. The survival strategy of Sikuomys mikros possibly revolved around an underground existence during Alaska’s freezing months. Being small would mean lower food and energy requirements, an invaluable advantage in such an environment. One curious aspect of the ice mouse’s existence is its small size, especially when compared to related species found further south which were significantly larger.ĭrawing parallels with today’s shrews, Eberle hypothesizes that the ice mouse’s diminutive size could have been an evolutionary response to the scarcity of food during Alaskan winters. “You look under the microscope and see this perfect little tooth. The fossils, mainly teeth and jaw fragments, required diligent scrutiny under microscopes. Their travels often involved navigating by snowmobile or bush plane from Deadhorse, Alaska. The dedicated team, which included paleontologists from institutions such as the University of Alaska Fairbanks and Florida State University, embarked on a challenging journey to the excavation site, located close to the Beaufort Sea. A polar forest bustling with dinosaurs, small mammals, and birds, all adapted to endure a highly seasonal climate,” said study co-author Patrick Druckenmiller, director of the University of Alaska Museum of the North. “Seventy-three million years ago, northern Alaska was an ecosystem unlike any on Earth today. The remains of the tiny ice mouse open up a fascinating window into ancient Alaska. You never know what you’re going to find, but you know it’s going to be new,” said Eberle. “I always like working at the ends of the Earth. The fossil’s identification was based solely on a few minuscule teeth, each no bigger than a grain of sand. This is a truly surprising and commendable feat, given the tough conditions they faced, which included months of darkness and sub-zero temperatures. “They stayed active all year long, burrowing under leaf litter or underground and feeding on whatever they could sink their teeth into, probably insects and worms.” “These guys probably didn’t hibernate,” said Eberle. This tiny fur-covered creature, with an appearance likely similar to today’s shrews, weighed only 11 grams – lighter than an empty soda can. Instead, it belonged to the extinct Gypsonictopidae family. Focus of the studyĮberle explained that the name of the tiny ice mouse – Sikuomys mikros – is derived from the Iñupiaq word “Siku” for ice, combined with the Greek words “mys” and “mikros,” which translate to “mouse” and “little” respectively.ĭespite its name, however, the small mammal was not actually a mouse. The research was led by Jaelyn Eberle, a professor at the University of Colorado Boulder and curator of fossil vertebrates at the CU Museum of Natural History. In the harsh landscapes of northern Alaska, which are marked by frigid cold and stretches of unending darkness, a remarkable discovery has been made. This region, which sat even further north roughly 73 million years ago, was home to a tiny mammal adept at surviving in possibly some of Earth’s coldest conditions during the Late Cretaceous period.
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