Hajos was taken to a nearby hospital where he died, said the lieutenant. The cassowary remains on Hajos' property while authorities investigate the attack, he said.
The owner was a breeder of this rare bird from Australia and New Guinea, said Alachua County Deputy Fire Chief Jeff Taylor.
Death was an accident, officials said. Apparently, the man fell and the cassowary attacked him after the fall, Taylor said.
Class II belongs to the same category as alligators, badgers and leopards, while Class I includes more traditional predators such as lions, tigers and bears.
They can reach more than 5 feet in height and the heavier females can weigh more than 160 pounds, says the zoo. Males weigh up to 120 pounds.
"The cassowary is rightly considered the most dangerous bird in the world!" the zoo says. "Each 3-fingered foot has a dagger-shaped claw on the inner toe that measures up to 10 cm long! The casoar can open a predator or potential threat of a quick single shot. . "