They don’t urinate in hibernation; their body converts the urine into protein, and they use it as food.
Blue whale – up to 100 feet long and 200 tons.
Tardigrade – they are water dwelling, eight-legged micro (about 0.02 inches long) animals that were discovered in 1773 and are found everywhere from mountain tops to the deep sea and from tropical rainforests to the Antarctic.
Megalodon – it became extinct about 2.6 million years ago and was up to 59 feet long and 65 tons.
Saltwater crocodile – up to 20 feet long and 3 000 pounds.
Beetles – followed by flies
Eyes – a third parietal eye on top of their head can just distinguish light and dark.