1.Blue whale The blue whale is the largest animal on the world with approximately weight of 200 tons.Weight of one whale is same as approximately 33 elephants,so we can imagine how large can a whale be.Whale need to eat four tons of food as it stomach can hold 1one ton of krill .Not only the largest animal ,whale is also loudest animal in the world.Whale are much more louder than a jet engine as whale sounds reaches 188 decibels,so their low frequency whistle can be heard for hundreds of mile and probably whale uses it to attract other blue whale .Whale sound can be used as signal by other blue whale.Blue whale acts important role in the overall health of marine environment. 2.Colossal Squid Colossal squid is also called as antarctic squid or giant cranch squid.It has small number of specimens and reconized as genus mesonychoteuthis.Colossal can reach total length estimately 18-27 meters (33-46ft) and weight at least 495 kilograms.It is considered as the animal with largest eye in the animal kingdom with 10inch(25cm) in diameter.Colossal is also found in marine. 3.Elephant Elephant is considered as the largest animal found in land.In the list of largest animal in the world elephant is ranked in third.Elephant found in africa can be considered as bigeest elephant in the world which can weigh up to 6350kg (7 tons).Such elephant can grow to 35 ft (10.6m) long in length and can have shoukder height of 13ft (4.2m).They have at least 2 species ,savana elephant and the forest elephant.Forest elephant can be more wild or violent in nature. 4.Giraffe With a height of 19 feet ,the giraffe is considerd as tallest living animal on earth ,the neck alone is 6 feet tall.Even newly borned baby giraffe can also be 2 feet tall.They use their long prehensil tongues to pull leaves from tree for feeding themselves.They mostly feed from high from the ground. 5.Brown Bear Brown bear can be found in forest and mountains of nortg america,europe and asia and we need to move futher towards the artice circle to catch a gimpse of polar bear.Weighing a whopping 907 kg and it can reach up to 10 ft (3m) tall when standing on their hind legs. 6.Whale Shark Whale shark is the largest living fish living underwater which is 40 ft (12m) long.Though having lagre body they mostly feed on tiny planktop.IT can weigh up to 24 US tons (22 tonnes).They are considered or found as vulnerable and hunted in some areas. 7.Saltwater crocodile Crocodile can grow to an average length of 17 ft (5.2m).Largest crocodile can reach upto 21 ft (6.3m) in length and they can weight up to 453kg.they can be found in the salt water of india ,asia,and australia.They can feed any animals which can get ito its teeth.They are mostly found inside water and can come in land as well. 8.Ostrich The Ostrich is the largest living bird, with a height of 9 ft (2.7 m) and weight of 344 lbs (156 kg), and at 1.9 in (5 cm) in size, their eyes are the largest of all birds. They don’t have teeth and can survive without water for days as they can make their own water internally and extract the rest from the vegetation they eat. 9.Chinese Salamander The Chinese Giant Salamander is the largest living amphibian, weighing around 66 lb (30 kg) though they can reach 132 lbs (60 kg), and growing to a length of 6 ft (1.8 m) long. Having changed little from their ancestors, they are known as living fossils, but despite their fascinating nature, they are endangered and rare in the wild. 10.Goliath Beetle Hiding in the undergrowth of African tropical forests, Goliath Beetles take the top spot as the heaviest insect in the world! They weigh up to 3.5 ounces (100 g), grow to a length of 4.5 inches (11.5 cm) and are brown/black/white in colour.