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Terraformed Mars
Mars is the fourth planet from the Sun and was the second-smallest planet in the Solar System after Mercury, until terraforming transformed the planet and is now 50 kilometers bigger than Earth. In English, Mars carries a name of the Roman god of war, and was often referred to as the "Red Planet" by humans because the iron oxide prevalent on its surface gave it a reddish appearance that is distinctive among the astronomical bodies visible to the naked eye, but that was before it was being terraformed around 25 million years ago by some ancient time-traveling space-travelers of unknown species. Mars is a terrestrial planet with the atmosphere similar to that on Earth, having clouds that dot the planet much like Earth, and the climate on this planet includes temperate, subtropical, and tropical climates, having 10% more oxygen and is more humid than on Earth, making it suitable for most life forms on Earth to life there, and the terrestrial habitats of Mars includes humid grasslands, temperate forests, swamps, subtropical forests, and tropical rainforests. After terraforming, various plants from temperate, subtropical, and tropical environments arrived on Mars and next were various animals on Earth (except birds). Despite the perfect conditions for humans to live on it, there are no humans living on Mars due to no efficient space travel for humans yet.

List of example species on Mars

  • Platypus - After being introduced to Mars, the platypus has diversified from just one species to more than 40 species worldwide on Mars, ranging from small rat-sized species to large caiman-sized species, with some filling the ecological niches similar to Earth's beavers, building dams for shelter and safety from predators and some climates.
  • Echidna - The descendants of short-beaked and long-beaked echidnas that were introduced to Mars now come in more than 72 species on different Martian continents, ranging from rabbit-sized species to giants about the size of a small van.
  • Tasmanian Devil - Descendants of Tasmanian devils that were brought to terraformed Mars found almost no competition on terraformed Mars, unlike on Tasmania, where they are endangered and face some competition from feral cats. The Tasmanian devils were introduced there by ancient space-traveling species to save them from the brink of extinction, and their descendants evolved into wide variety of species, ranging from species similar to modern-styled Earth ones to large short-tailed thylacine-like forms.
  • Brown Bandicoot - Descendants of hybrids of both southern and northern brown bandicoots flourished on terraformed Mars due to lack of competition from rodents and lack of large carnivoran mammals such as dogs (including dingos or foxes) or cats, they diversified into a wide range of species resembling Earth's bandicoots.
  • Eastern Barred Bandicoot - Descendants of eastern barred bandicoots introduced to terraformed Mars have evolved into several species resembling some of Earth's bandicoots, including ones similar to their ancestors.
  • Greater Bilby - The greater bilbys were introduced to terraformed Mars by ancient space-traveling species who brought them to Mars to save them from the brink of extinction from non-native rabbits and rodents in Earth's Australia. In Mars, the descendants of greater bilbies have faced no competition from rodents or rabbits (since they are no rodents nor rabbits found in Mars), and they have diversified into a wide variety of species of bilbies, ranging from small large-eared shrew-like forms to large rabbit-like forms with long tails.
  • Sugar Gilder - A wide variety of introduced sugar glider descendants are found throughout a wide range of Martian forests, ranging from tiny sparrow-sized species to large squirrel-sized species, filling the ecological niches like their Earthly ancestors and some of Earth's squirrel species.
  • Brush-Tailed Possum - Brush-tailed possums that were brought to Mars, after the planet itself was terraformed, found almost no competition, and evolved into a wide range of possum species, including small rat-sized species found almost everywhere to large cat-sized species on some Martian islands.
  • Common Wombat - Descendants of common wombats that were introduced to Mars evolved into a wide range of species, including small gopher-like marsupials with a prairie dog-like lifestyles to species similar to Earth's modern-styled common wombats.
  • Hairy-Nosed Wombat - Some hairy-nosed wombats were introduced to Mars by some ancient space-travelers due to being near endangered on Earth. A wide range of hairy-nosed wombat descendants includes small short-eared rabbit-like burrowers, to large rhino-sized herbivores filling the ecological niches similar to large bovines such as cattle and bison.
  • Koala - Descendants of koalas have evolved into several different species, ranging from species similar to Earth's modern-styled koalas, to slightly smaller brown species that feed on wide varieties of eucalyptus (not just few types of eucalyptus unlike Earth's modern-styled koalas), to large ground-dwelling sort of Diprotodon-like species (with koala-like heads) that feed on low-lying eucalyptus.
  • Red-Necked Wallaby - When some red-necked wallabies were introduced to Mars, they found a wide variety of grasses available with (almost) no competition. The descendants of red-necked wallabies on Mars evolved into a wide variety of species, including species resembling its ancestors, to medium-sized omnivorous kangaroo-like species with tapir-like trunk, to large kangaroo-sized Procoptodon-like walking forms.
  • Red/Grey Kangaroo - Descendants of hybrids between red and eastern grey kangaroos that were brought to Mars evolved into a wide range of species, filling the ecological niches similar to Earth's modern-styled kangaroos, some small bovines such as sheep and goats, and even some ground sloths of ancient times. Example species of Martian kangaroos includes species resembling their Earthly ancestors and gigantic semi-quadrupedal ground sloth-like forms that live on some large Martian islands.
  • Virginia Opossum - Some Virginia opossums were stowed away on some spaceships of some ancient time-traveling space-travelers when these ancient beings were bringing some modern armadillos into ancient Mars when it was already being terraformed. The descendants of these stowed away Virginia opossums includes small naked-tailed ring-tailed possum-like forms, to species resembling their ancestors, to black-and-white forms that have noxious spraying abilities like Earth's skunks for defense against predators.
  • Nine-Banded Armadillo - Descendants of these armadillos that were brought to terraformed Mars around 25 million years ago have evolved into a wide range of species, including species resembling their ancestors, to larger giant armadillo-like forms, to gigantic Glyptodont-like forms.
  • Three-Toed Sloth - Descendants of these sloths were brought by ancient time-traveling space-travelers due to being popular pets to their species, ahd some were introduced to terraformed Mars. A wide range of three-toed sloth descendants now live on Mars, including species resembling their ancestors, to medium-sized amphibious species resembling Thalassocnus of the Miocene and Pliocene Earth, to massive mostly-herbivorous ground-dwelling elephantine Megatherium-like forms.
  • Two-Toed Sloth - Some modern two-toed sloths were brought back in time by some time-traveling space-travelers who found two-toed sloths as popular pets, and some were introduced to ancient terraformed Mars. Descendants of two-toed sloths includes species resembling modern-styled two-toed sloths on Earth and medium-sized omnivores filling the ecological niche similar to some Earth's South American monkeys including uakaris.
  • Southern Tamandua - Some of these tamanduas were brought from modern Earth by time-traveling space-travelers due to being popular pets and some of these tamanduas were introduced to terraformed Mars. Most species of Martian tamanduas resemble very much like their ancestors from Earth, other than different fur color and pattern variants in a wide variety of Martian tamandua species.
  • Silky Anteater - Descendants of silky anteaters that were brought to terraformed Mars evolved into different variety of arboreal insect-eaters, including the stealthy and agile species that feed on stingless bee-like honey-making housefly descendants, and the sluggish species that feed on snails and slugs.
  • Giant Anteater - The giant anteaters that were brought to Mars have evolved into a wide range of species, including species resembling their ancestors, to larger Megatherium-like forms with long snouts, and small swimming forms that feed on aquatic insects and spiders.
  • Colugo - Some species of colugos, including the Philippine colugo and the Sunda colugo, were introduced to the terraformed Mars to ensure their further survival, in case the ones on Earth go extinct. There are more than 150 species of Martian colugos, including tiny rat-sized species to large flying fox-sized species, and they all resemble very much like the Earth colugos.
  • Treeshrew - Despite their names, they aren't shrews at all, but colugo relatives and among the closest relatives of primates, and some treeshrews were introduced to terraformed Mars, where a wide range of species found on Mars are very similar to their Earthly ancestors.
  • Ring-Tailed Lemur - Some modern ring-tailed lemurs were brought by time-traveling space-travelers who found ring-tailed lemurs as popular pets, and some where brought to terraformed Mars, where their descendants found in every single Martian continents evolved into a wide variety of species, filling the ecological niches similar to some of Earth's lemurs as well as Earth-only monkeys and some non-human apes, ranging from species resembling their ancestors to medium-sized Megaladapis-like forms, to large gorilla-sized Archaeoindris-like forms.
  • Ruffed Lemur - Both species of lemurs, the red ruffed lemurs and the black-and-white lemurs, were brought into terraformed Mars to protect their species from going extinct in the wild of Earth's Madagascar by humans. The descendants of modern-styled Earth ruffed lemurs found on every single continent on Mars ranges from species resembling their ancestors, to medium-sized adaptable Archaeolemur-like forms, to highly arboreal medium-sized Pachylemur-like forms.
  • Common Brown Lemur - These lemurs are one of the least-changed species of lemurs on Mars, coming in several species resembling their ancestors that originally came from modern Earth before time-traveling space-travelers brought them to terraformed Mars.
  • Coquerel's Sifaka - Descendants of Coquerel's sifakas that were brought to Mars by time-traveling space-travelers have diversified into a wide variety of species found on every single continent on this planet, includes species resembling Earth's Coquerel's sifakas.
  • Indri - Thanks to special advanced care from time-traveling space-travelers, the indris were easy to keep and breed as pets, which allowed indris to become popular pets (despite being noisy), unlike the failed attempts from humans, who couldn't keep a single indri alive in captivity. Some indris were introduced to terraformed Mars as a conservation effort in case the indri populations go extinct in Madagascar due to humans, and indris on Mars have diversified into several species found on every single continent.
  • Goodman's/Brown Mouse Lemur Hybrid - Some hybrid mouse lemurs, which were bred by some time-traveling space-travelers, were introduced to terraformed Mars to fill the ecological niches similar to Earth mouse lemurs and some of Earth's squirrels, and they come around 250 different species worldwide on Mars.
  • Aye-Aye - Some aye-ayes were introduced to terraformed Mars by time-traveling space-travelers as part of the conservation effort and to further replace woodpeckers on Mars (due to lack of birds on Mars). There are more than 200 species of aye-aye throughout every continent on Mars, ranging from the diurnal reddish-brown species with small ears (which fills the ecological niche similar to acorn woodpeckers), to the black-red-white species small-eared species (filling the similar niche to flickers), to species resembling their ancestors, and among other aye-aye species.
  • Galago - Galagos on Mars are descendants of ones that were brought from Earth to terraformed Mars around 25 million years ago by some ancient time-traveling space-travelers. A wide variety of galago species resembles Earth's galago, with one exceptional species resembling the fictional clatta from Dougal Dixon's After Man.
  • Loris - A wide variety of loris species, including the popular slow loris, were brought to the terraformed Mars by time-traveling space-travelers, and various loris species on Mars resembles their ancestors.
  • Tarsier - A wide range of tarsier descendants on Mars resemble their ancestors that were brought from modern Earth by ancient time-traveling space-travelers, coming in more than 100 species of tarsiers now native to Mars.
  • European Hedgehog - Some Europen hedgehogs were introduced to Mars, where they evolved into more than 100 species on every single Martian continents, each largely resembling their Earth counterparts in diets, appearances, and sizes, with two exceptions, one being a shelled species resembling a sort of a mammalian tortoise/turtle and the other resembling the fictional testadon from Dougal Dixon's After Man.
  • Star-Nosed Mole - Descendants of star-nosed moles that were introduced to Mars evolved into a wide range of mole species from Mars, including species resembling Earth's modern-styled moles, tusked species resembling fictional tusked moles from Dougal Dixon's After Man, and large sort-of beaver-like tail-less species.
  • Shrew - Various species of shrews were brought to this planet, either intentionally or accidentally, and the shrews on terraformed Mars evolved into various indigenous Martian shrews, with most resembling Earth shrews, but with few exceptions, including species that resemble fictional shrews, relatives, and other small mammals from Dougal Dixon's After Man, including parashrews, leaping devils, desert spickles, trovamps, rootsuckers, tree drummers, pfrits, and truteals.
  • Desman - The descendants of desmans that were brought to Mars by time-traveling space-travelers found almost no competition from other animals and saw no threats from human activities due to humans not being present on Mars, not even when terraformed. The desmans on Mars evolved into several different species resembling their ancestors.
  • Solenodon - Descendants of some solenodons from the Caribbean Islands were brought into terraformed Mars by time-traveling space-travelers as part of the conservation efforts. Some groups of solenodons on the mainland Martian continents evolved into adaptable Nesophontes-like forms.
  • Fruit Bat - Various species of fruit bats, including flying foxes, Egyptian fruit bats, hammer-headed bats, New World fruit bats, and among others, that were brought into terraformed Mars by time-traveling space-travelers diversified into a wide range of species, with few ancient species evolving quickly to be diurnal due to lack of birds on Mars, and today, there are more 3,500 species of diurnal fruit bats worldwide on Mars.
  • Microbats - A wide variety of microbat species, including little brown bats, Mexican free-tailed bats, tent-making bats, various horsehsoe bats, vampire bats, and among others, were brought to terraformed Mars by some time-traveling space-travelers to replace birds on Mars. Over time, some insectivorous bats became exclusively diurnal and evolving the ability to crawl and hop like vampire bats, with many species having shrunken ears due to being diurnal (so they no longer need echolocation), and some developed stronger thicker teeth, resembling a beak (only covered by lips) to crack open hard-shelled seeds/nuts and insects. Some bats on islands evolved into various flightless species, with some of these flightless bats evolving into species that resemble fictional flightless bats from Dougal Dixon's After Man, with one amphibious marine species resembling surfbats found being found on every Martian coastlines, replacing penguins there (due to lack of penguins on Mars).
  • Viverrids - Descendants of viverrids (including binturongs, small Indian civets, large Indian civets, African civets, African palm civets, Asian palm civets, Central African oyans, and common genets) that were brought to terraformed Mars by space travelers evolved into a wide species of viverrids, with some being squirrel-sized and some being large wolf-sized animals.
  • Malagasy Mongooses - Some Malagasy mongooses of several species (including Malagasy civets, ring-tailed mongooses, eastern falanoucs, and fossas) brought into terraformed Mars by time-traveling space-travelers, and their descendants evolved into a wide variety of forms, including ones resembling very much like their ancestors, ones that evolved a similar niche to several mustelids, skunks, cats, canines, and hyenas.
  • Mongooses - Some mongooses of various species (including meerkats, yellow mongooses, Javan mongooses, Indian grey mongooses, banded mongooses, marsh mongooses, and common kusimanses) were brought into terraformed Mars by time-traveling space-travelers, and their descendants evolved into a wide variety of forms, including ones resembling very much like their ancestors, ones that evolved a similar niche to weasels, polecats, and minks.
  • Sea Otter - Descendants of Earth's the currently-endangered sea otters that were brought into terraformed Mars by time-traveling space-travelers have diversified and evolved into several different species found on every shoreline of Mars.
  • Pinniped - A wide range of pinnipeds, including fur seals, sea lions, harbor seals, grey seals, elephant seals, leopard seals, weddel seals, hooded seals, ringed seals, walruses, and among others were brought into terraformed Mars by time-traveling space travelers. A wide range of Arctic and Antarctic species have evolved to deal with the warmer climates on Mars, with walruses on Mars being less fat than the cold-tolerant species on Earth.
  • Hybrid Tapir - A species of hybrid tapir, which consisted of Malayan, Baird's, and Brazilian tapirs, were brought into terraformed Mars by time-traveling space-travelers. Over time, a hybrid tapirs on Mars evolved to a wide range of forms, including ones resembling modern-styled Earth tapirs, omnivorous ones with tusks (filling the ecological niches of Earth's pigs, peccaries, and bears), and long-legged species (filling the ecological niches of Earth's horses and large antelopes).
  • Rhinoceros - A wide range of modern Earth rhinos, including white rhinos, black rhinos, and Indian rhinos, were brought to terraformed Mars by ancient time-traveling space-travelers as part of the conservation efforts. Some rhinos evolved into species resembling prehistoric rhinos such as Indricotheres, Teleoceras, and among others.
  • Water Chevrotain - The only non-hippopotamus odd-toed hoofed on land to be introduced to terraformed Mars, the descendants of introduced water chevrotains evolved into a wide range of small semi-aquatic herbivores, each resembling their ancestors.
  • Hippopotamus - A descendant of common hippopotamuses that were introduced to terraformed Mars by time-traveling space-travelers which evolved into a native species that, in temperate parts of Mars, is more cold-tolerant, in a manner similar to alligators being more cold tolerant than crocodiles.
  • Cetaceans - A wide range of cetacean species, including oceanic ones such as bottlenose dolphins, Commerson's dolphins, orcas, humpback whales, blue whales, fin whales, right whales, bowhead whales, pygmy right whales, bottlenose whales, sperm whales, etc, as well as one species of freshwater cetacean, the Amazon river dolphin, were brought into terraformed Martian oceans and freshwater lakes/rivers by ancient time-traveling space-travelers. The descendants of these cetaceans evolved into a wide range of species, including ones that resemble extinct Miocene and Pliocene species, while Amazon river dolphins on Mars evolved into a wide range of species of Martian river dolphins.
  • Pangolin - A wide range of pangolin species were brought to Mars by space travelers as part of the conservation efforts. Most species of pangolins on Mars resemble their ancestors, with one exception being a large long-necked amphibious species being mostly herbivorous, while also supplementing insects at times, which sometimes attacks hippos due to hippos invading territories.
  • Aardvark - Descednants of aardvarks that were brought to terraformed Mars by space travelers evolved into a wide range of species that competes successfully with pangolins and anteaters.
  • Tenrec - Various species of tenrecs, including common tenrecs, lowland streaked tenrecs, and among others, that were introduced to terraformed Mars by space travelers evolved into a wide range of native Martian tenrecs found on every single continent.
  • Rock Hyrax - Various species of hyraxes found on Mars are the descendants of rock hyraxes that were brought to terraformed Mars by space travelers are found everywhere on the grasslands and in forests of Mars, filling the similar roles to their ancestors and also filling the similar ecological niches to Earth's rabbits and large rodents.
  • Manatee - Descendants of Earth's manatees that were brought to terraformed Mars by space travelers evolved into a wide range of native Martian manatees (most similar to Earth's manatees and dugongs) found in Martian oceans, lakes, and rivers, while one species has evolved strong front flippers to crawl onto land due to less land predators on Mars, evolving into a species of amphibious manatee known as the Martian memaid.
  • Elephant - Descendants of some individuals of two different species of elephant, the African elephant and the Asian elephant, that were brought into terraformed Mars by spade travelers have evolved into a wide range of species, including ones resembling their ancestors, as well as species resembling prehistoric and recent extinct elephants and relatives (including mastodons, Deinotheres, Gomphotheres, dwarf elephants, etc).
  • Crocodilians - Some species of crocodilians such as American alligators, Nile/American crocodile hybrids, various caiman species, gharials, and false gharials were introduced to terraformed Mars by space travelers and evolved into a wide range of native crocodilians on Mars, and they became widespread over time.
  • Turtle/Tortoise - Different species of sea turtles (even leatherback sea turtles), pond turtles (including red-eared sliders, diamondback terrapins, common snapping turtle, alligator snapping turtles, Chinese softshell turtles, pig-nosed turtles, etc), and tortoises (including African spurred tortoises, leopard tortoises, Rusian tortoises, Galapagos tortoises, etc) were introduced to terraformed Mars by space travelers and they evolved into a wide variety of native Martian turtles.
  • Lizard - Various lizard species such as monitors, tegus, chameleons, geckos, iguanas, thorny devils, bearded lizards, frilled lizards, draco lizards, alligator lizards, and basilisk lizards were introduced to terraformed Mars by space travelers and they evolved into a wide variety of native lizards on Mars.
  • Amphibian - Almost every common wild, zoo, and pet amphibians were introduced to terraformed Mars by space travelers, and they evolved into a wide variety of amphibian species native to Mars. They face no threats from chytrid fungus diseases since these diseases are not present on Mars.
  • Fish - Almost every fish species, even different species of sharks, were brought from modern Earth oceans to the ancient terraformed Mars by time-traveling space travelers, for conservation efforts and for a boost of biodiversity in the Martian oceans.
  • Invertebrate - A wide range of non-venomous, non-biting, non-parasitic, and non-stinging arthropods and relatives, as well as various leeches and non-parasitic worms, jellyfish, sea anemones, sea cucumbers, sea stars, sea urchins, cephalopods, other molluscs, corals, sea sponges, etc were introduced to terraformed Mars by space travelers and evolved into a wide range of native Martian invertebrates.
  • Fungi - The only fungi that were successfully introduced to Mars were mushrooms and other similar fungi, as parasitic and fungal diseases were eradicated before they reached Mars.
  • Slime Mold - A wide range of slime mold now exist in Mars after being introduced there when it was first terraformed by time-traveling space-travelers.
  • Plants - Almost every plant species (except ones that are deadly or irritating to touch) exists in terraformed Mars after being brought from Earth by time-traveling space-travelers.
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