5 Fun Facts About the Southern Cassowary 1. They’re the world’s most dangerous bird.…

5 Fun Facts About the Southern Cassowary 1. They’re the world’s most dangerous bird. Attached to each foot of this dinosaur is a 12cm (4.7 inches) claw. 2. They can swim. Oh yeah, and they can swim, too. 3. Their poop is important. Cassowaries can eat food that not many animals can eat. 4. They are the second largest bird species on the planet. They are the largest species of cassowary and are the third heaviest bird in the world, after the Somali ostrich and the common ostrich. 5. Southern cassowary have blue skin. Their head and neck are blue, and incredibly under their black feathers, the entire body of the bird is also blue.