Native to New Guinea and parts of northeastern Australia, cassowaries are often cited as the most dangerous bird in the world due to their powerful legs, large size, and sharp claws
Known for its imposing size and scavenging habits, this bird can become aggressive towards humans if it feels threatened, using its powerful beak as a weapon.
Especially during the breeding season, Australian magpies can become extremely aggressive, swooping down on humans who venture too close to their nests, potentially causing injuries.
As a bird of prey, the bald eagle possesses strong talons and a powerful beak. While attacks on humans are rare, they can defend their territory aggressively if provoked.
This eagle is capable of hunting large prey, including monkeys and small antelopes. Though human attacks are exceedingly rare, its size and power put it on the list.
Swans, particularly when protecting their nests, can be surprisingly aggressive, using their wings to strike and their bodies to push against perceived threats, including humans.
While smaller than eagles and vultures, this hawk can be fiercely protective of its nest and territory, potentially attacking humans who get too close.