[["The sperm whale has the biggest brain of any animal species, weighing up to 20 pounds", 118.0], ["The sperm whale has the largest brain by mass. It weighs about 20 lb.", 96.0], ["The sperm whale has the largest brain in the world. Incredibly, the sperm whale has a brain that weighs around 18 pounds. \n", 49.0], ["Weighing around 18 pounds, the sperm whale has the largest brain in the world.", 46.0], ["The whale has the largest brain owing to its large physical size", 32.0], ["The sperm whale. Their brain can weigh up to 20 pounds. Note however, that larger brains don't necessarily make a smarter animal.", 29.0], ["The sperm whale has the largest brain in the world. Incredibly, the sperm whale has a brain that weighs around 18 pounds. ", 20.0], ["The sperm whale has the biggest brain of any animal species, weighing up to 20 pounds (7 to 9 kilograms). But larger brains don't necessarily make a smarter mammal.", 19.0], ["The sperm whale has the biggest brain of any animal species, weighing up to 20 pounds (7 to 9 kilograms). An elephant's brain weighs around 11 pounds (around 5 kilograms), while the human brain weighs on average 3.3 pounds (1.5 kilograms).", 19.0]]
which animal has the biggest brain
animals,hyenas