The destruction of their habitat is the greatest threat, however feral dogs have also invaded the rainforest. The Cassowary has strong powerful legs with dagger-like claws on its toes. It defends itself by kicking. Its kick is powerful enough to rip open a person's stomach or even kill the person. Cassowary are considered dangerous to humans with many fatal attacks occurring each year in New Guinea.
Rheas are native to South America.
The Rhea is the fourth largest flightless bird. Rheas have large full-feathered wings. The species is a direct descendant from the age of dinosaurs. Full grown they average 60 to 80 pounds. Once he judges there to be enough eggs in nest, he quits mating and sits on them, meanwhile the female group wanders off and finds another male.