Originally posted by xmarksthespot
The largest animal ever the Blue Whale, measures around 30 m and 200 tons.
This is true. No marine animal matches Blue Whale in terms of size.
Originally posted by xmarksthespot
The largest land animal ever, Brachiosaurus, is estimated to have been about 25 m long and have weighed around 40-50 tons.
Some dinosaurs in South America were bigger then Brachiosaurus and Diplodocus. Argentinasaurus is one true and proven example.
Though Seismosaurus and Bruhathkayosaurus are also potential rivals.
These 3 Titanosaurs exceeded 35 m in length and weighed more then 100 tons.
Here is a some information of Argentinasaurus: Click!