what was the largest land animal to have ever lived?
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A heffalump!\nBe afraid, be very afriad!\nhttp://disney.wretch.cc/mvdata/data/Pooh_Heffalump_Movie.jpg\n\nAs you probably know, the largest known animal on Earth is the blue whale. But most scientist believe that the blue whale is also the largest amimal that has ever lived.\nThey can weigh over 200 tons, so how can you beat that?\n\nBut as far as land animals go: the African elephant is the largest!\n\nAn extinct species of the rhinoceros called Baluchitherium grangeri was around 30 tons. That would be the largest land-dwelling mammal ever.\nThe largest dinosaur was the sauropod.\nhttp://www.dinosaurios.net/rama/rm_sale/rm_diplo01g.jpg
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The biggest dinosaur currently known is generally conceded to be Argentinosaurus, a huge sauropod (brontosaur-type) from the late Cretaceous of South America.  Extrapolation from the size of the fossilized bones found indicates that Argentinosaurus was up to 120 feet long and weighed in the neighbourhood of 100 tons.  The maximum weight estimate for a huge dinosaur like Tyrannosaurus was 8 tons, so Argentinosaurus was massive even for a dinosaur.\n\nAs to how some animals survived, while others did not is one of the big, big mysteries of the KT extinction event.  Why did pterosaurs all go extinct, but birds survive?  Why did ammonites and belemnites all go extinct, but sharks and nautilus survive?  Why did giant marine reptiles like mosasaurs and icthyosaurs go extinct, while crocodiles and snakes survived?  Some of those are hard to explain if an asteroid impact was the sole reason for the extinctions.  The general consensus seems to be that there were a large number of factors such as continental shifts creating faunal interchange between long isolated populations, which could spread disease among dinosaurs.  The continental shifts would also have altered ocean currents, changing environments and climate, and altering existing eco-systems (especially some of the rich shallow seas that existed at the time).  Adaptive radiation of flowering plants (Angiosperms) in the late Cretaceous may have caused stress on those animals that were dependent on the competing Gymnosperm plants.  Co-evolution of many insects in response to the radiation of Angiosperms may have somehow favoured the survival of the birds over the pterosaurs.  \n\nThen when the asteroid impact occurred, it was the straw that broke the camel's back for many of these species that were under intense pressure, but other species were able to survive.
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The largest extant organism is the honey mushroom which can spread 2,200 acres (1,665 football fields) underground.  The second largest living organism is General Sherman, a giant sequoia. It's 272ft tall, has a circumference of 109ft at its base, and weighs nearly 1,400lb.
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The blue whale is the largest animal on Earth.  Its heart is the size of a Volkswagen Bug, its tail is as wide as the wingspan of a small aircraft, and some of its blood vessels are so wide that you could swim through them.  \n\nIt is also considered the loudest animal by decibel measure, but since sound travels better than water than through air, perhaps a land animal (i.e. african elephant) deserves the title.
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the largest living creature on Earth is the Blue Whale. Which incidentally is also the largest mammal
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The Giant Tortoise lives the longest, about 177 years in captivity.
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The largest egg ever discovered was laid by the now extinct, flightless elephant bird. This 13- by 9.5-inch (33- by 24.1- centimeter) egg held over 2 gallons (9 liters) of liquid. That's eight times as much as an ostrich egg.\n\nThe ostrich egg is the largest egg in the world today.\n\nThe kiwi bird lays the largest egg in proportion to its body size. It would be as if a human gave birth to a 43-pound (19.5-kilogram) baby. No wonder the female lays the egg, and the male has to sit on it.
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The first organisms to live on the earth belonged to the kingdom archaebacteria.
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Blue whale. \nScientific name: Balaenoptera musculus.\nSize:30 metres (100 feet) in length. \nWeight:140 tonnes or more. \nIt is believed to be the largest animal ever to have lived.
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Cheetah is the fastest animal on land.
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The term "largest" needs clarifying as the tallest may not be the heaviest, longest etc.\n\nHowever I would suggest the Carribou (?) \n\nSurely the Grizzly lives in the mixed forests of N America and is not native to the pure pine forests of Norway etc.
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The second heaviest animal on land is the forest elephant.\n\nThere are 3 different species of living elephants, all as distantly related to each other as horses and donkey. These three different types of elephants make up the three heaviest land animals.\n\nFollowing them come the Northern white rhino and the African hippopotamus, which overlap in size and so can not be separated.\n\nFollowing that are the southern white and black rhinos.
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The Nile River is the longest on Earth.
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The whale shark is the biggest fish.\nWhales are mammals and cannot be called "fish".
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The heaviest living snake is a Burmese Python weighing 182.76 kg (403 lb.) It is 21 years old, 8.23-m (27 ft) long, and has a girth of 71.12 cm (28 in) Known as "Baby", she lives at the Serpent Safari Park in Gurnee, Illinois, USA.\n\nThe longest snake was a reticulated python (Python reticulates) of southeast Asia, Indonesia, and the Philippines regularly exceeds 6.25 m (20 ft 6 in). The record length is 10 m (32 ft 9.5 in), for a specimen shot in Celebes, Indonesia, in 1912.
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the largest living thing is not plant or animal it is a fungus that covers 2200 acres of land and is 2400 years old in Malheur National Forest in the Blue Mountains of eastern Oregon. the species name is Armillaria ostoyae
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Nope, not a dead issue at all. The few biologists who take the tale seriously theorize that Big Foot could be a surviving species that existed on earth hundreds of thousands of years ago. Reconstructions based on the numerous fossils of this creature show it to be a good candidate for Big Foot. The ancient creature was named Gigantopithecus. See this website for more info, plus a great picture of what it looked like (about 1/2 way down the page) -------- http://images.google.com/imgres?imgurl=http://www.uiowa.edu/~bioanth/comp.jpg&imgrefurl=http://www.uiowa.edu/~bioanth/giganto.html&h=402&w=215&sz=11&tbnid=AYXB1v_DV49rHM:&tbnh=120&tbnw=64&prev=/images%3Fq%3Dgigantopithecus&start=1&sa=X&oi=images&ct=image&cd=1