CNN — The earliest bird reared by humans may have been a cassowary -- often called the world's most dangerous bird because of its long, dagger-like toe. Territorial, aggressive and often compared to a ...
Cassowaries are massive flightless birds, second only to ostriches in weight. Standing up to 6 feet tall, they can weigh up to 160 pounds! Instead of flight feathers, they have unique, hair-like ...
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