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The largest crocodile species lives in Australia. It's the famous Australian saltwater or estuarine crocodile, known as Crocodylus porosus Males get up to 23.5 inches in length and weigh up to a ton (900 Kg or 2000 pounds). Australian females run half this weight & length. 1250 pounds is the average weight of North American crocs but it may vary depending on diet and habits of the crocodile.
Lion's Weight. Full grown lions weigh up to about 350-500 pounds if healthy. If there is no food where they live they would weigh about 280-350 pounds. If there is no food where their pride is they will eventually move to a new place. their fur is almost a quarter of their weight wile muscle is over half.