Black Rhinoceroses:have a pointed upper lip while the white one has a square lip. Before you get close enough to see, except through binoculars.
Hippopotamuses:are enormous teddy bears, but nothing could be further from the truth. Hippos are the third-largest living mammal.
Cassowaries:are the second largest bird on earth, behind the ostrich. They use their size to be very aggressive.
Nile Crocodile:attack approximately 1,000 worldwide annually, and about 40% of those attacks are fatal. The most aggressive crocodile is the Nile crocodile, which can be found throughout Africa.
Wolverines:usually weigh less than 40 pounds, you will not want to get into a fight with one. First, they are likely to throw a hissy fit, complete with their huge claws coming out at you.
Cape Buffalo: is the largest and most powerful buffalos in Africa. While these animals only stand about 55-inches tall and have very short legs, they are terrifying animals because of their horns.
Belcher’s Sea Snake:Found primarily in the Indian Ocean, the most dangerous in the world. This snake that seldom grows to be over 3.3-feet long has a slender body, a yellow base, and green crossbands.
Golden Poisonous Dart Frog: may not look like the world’s most terrifying animal, but this bright yellow frog has enough venom in its body to kill 10 adults.
Blue-ringed Octopus:While most octopuses are content to squirt ink at you if they feel threatened, that is not true of the blue-ringed octopus. Instead, they spew poisonous venom at you.
Stonefish:live among the reefs off Australia’s coast. They have 13 spines along their back. Each spine carries venom that can kill most animals, humans included.