Physical Characteristics
Size and Strength:
- Large Size: Cassowaries are large, flightless birds. The southern cassowary (Casuarius casuarius) can weigh up to 160 pounds (73 kg) and stand up to 6.6 feet (2 meters) tall.
- Powerful Legs: They have strong, muscular legs capable of delivering powerful kicks.
Sharp Claws:
- Dagger-like Claw: Each foot has three toes, with the inner toe bearing a long, dagger-like claw that can be up to 5 inches (12 cm) long. This claw is used to defend themselves and can inflict severe injuries.
Behaviour
Territorial Nature:
- Cassowaries are highly territorial and can become very aggressive if they feel their territory or chicks are threatened.
Speed and Agility:
- Despite their size, cassowaries are agile and can run up to 31 miles per hour (50 km/h) through dense forest, jump up to 5 feet (1.5 meters), and are excellent swimmers.
Incidents and Risks
Human Encounters:
- There have been documented cases of cassowaries attacking humans. Most attacks occur when humans get too close, try to feed them, or otherwise provoke them.
- The most famous fatal incident occurred in 1926 when a cassowary killed a 16-year-old boy in Australia. In 2019, a man in Florida was killed by his pet cassowary after he fell in its enclosure.
Defensive Mechanisms:
- When threatened, a cassowary will use its powerful legs and sharp claws to kick. These kicks can cause serious injuries such as deep lacerations, broken bones, and even fatal wounds.
Conservation and Habitat
Habitat:
- Cassowaries are native to the tropical forests of New Guinea, nearby islands, and northern Australia. They play a crucial role in their ecosystems by dispersing seeds from the fruit they eat.
Conservation Status:
- The southern cassowary is listed as vulnerable due to habitat loss, vehicle strikes, and dog attacks. Conservation efforts focus on protecting their habitat and reducing human-wildlife conflict.
Summary
The cassowary is considered the most dangerous bird in the world due to its physical attributes and potential for aggressive behaviour. While they play an essential role in their ecosystems, interactions with humans can be dangerous, and it is crucial to respect their space and avoid provoking them. The combination of their formidable claws, powerful legs, and territorial nature makes them a bird to be admired from a safe distance.

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