World’s 10 Biggest Animals of All Time NEW 2014! The bigger, the better! Following this principle seem to guide and next pet owners who own dumb that impress with size. In the world there are all kinds of pets. Some are so small that can fit into a pocket, some are hideous, like snakes and tarantulas, others impress with imposing stature. Here are the greatest pet in the world. The largest horse in the world is called Radar and still alive and lives in Belgium and is at the moment the highest horse in the life of the world. It has 2.73 m in height and weighs 1200 kg. The biggest beef is actually a small elephant. Measures over 2.5 m and weighs just over a ton, and spend all day eating grass and a fat and beautiful in Sweden. The biggest pig is now a museum, that died this year in February at the age of 5 years. He weighed 900 kg, had a length of 2.5 m, body circumference of 2,23m and some fangs of 14.4 cm.