What Are the World's Most Dangerous Birds?

Many people don't think of birds as dangerous animals, but several species pose potential threats to humans. Experts consider the cassowary, a large bird that hails from Australia and is related to both the emu and the ostrich, to be the most dangerous bird in the world because of its size, unpredictable temperament, dagger-like claws and ability to jump almost 7 feet (2 m) into the air. Other dangerous birds include the ostrich — which, like the cassowary, has an unpredictable temperament and sharp claws — as well as many birds of prey, such as falcons, owls and eagles.

More about cassowaries and other dangerous birds:

• In 2011, a cassowary escaped from the Denver Zoo in Colorado, causing some degree of panic as the zoo's staff members tried to protect patrons while attempting to locate the renegade bird. The cassowary was eventually located, and nobody suffered any injuries.


• Bird experts warn that injured birds of prey can be particularly dangerous, because they are often distressed and frightened, and warn that humans seeking to help injured birds should approach them with extreme caution. It generally is a good idea to contact local wildlife officials or animal protection authorities to ask for assistance.


• Seagulls and Canadian geese are territorial birds that have been known to attack humans and domestic animals. In 2012, the Royal Mail halted deliveries to several towns in Scotland after a postal carrier suffered an attack by gulls.

Frequently Asked Questions

What is the most dangerous bird in the world?

The Southern Cassowary is often considered the most dangerous bird in the world due to its powerful legs, sharp claws, and aggressive nature when threatened. Native to the rainforests of Australia and New Guinea, this bird can deliver lethal kicks capable of causing serious injury or death to potential predators, including humans.

Can an ostrich kill a human?

Yes, an ostrich can kill a human. Although attacks are rare, ostriches are the largest and heaviest living birds, and they can run at speeds up to 45 mph. They have strong legs with sharp claws, and if cornered or threatened, they can deliver powerful kicks that have the potential to cause fatal injuries to a human.

Are there any predatory birds that pose a danger to humans?

While most predatory birds do not typically pose a direct threat to humans, some large raptors like the Golden Eagle have been known to attack small mammals and, in very rare instances, young children. However, such incidents are extremely uncommon, and these birds generally avoid human contact.

What makes the Harpy Eagle a dangerous bird?

The Harpy Eagle is considered dangerous due to its impressive size, powerful build, and large talons, which are the largest of any living eagle and can exert significant pressure to capture and subdue prey. While not a direct threat to adult humans, its hunting prowess makes it a top predator in its rainforest habitat.

How do Helmeted Hornbills defend themselves?

Helmeted Hornbills defend themselves using their unique casque, a solid keratin structure on their bill, which they use in head-to-head combat with rivals. While not inherently dangerous to humans, their casque can be used as a weapon if the bird feels threatened or is protecting its territory.

What should I do if I encounter a dangerous bird in the wild?

If you encounter a dangerous bird in the wild, it is crucial to maintain a safe distance and avoid making sudden movements that could be perceived as a threat. Do not attempt to feed or touch the bird. Instead, calmly and slowly back away while keeping an eye on the bird's behavior, ensuring you do not provoke an attack.