Add Yahoo as a preferred source to see more of our stories on Google. A southern cassowary stands on a beach at Etty Bay in Queensland, Australia. These endangered birds can live up to 50 years.

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Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. When we think of flightless birds, aggressive is probably ...

Rare attacks helped brand the cassowary as deadly, but habitat loss and human activity now pose a far greater threat to the bird’s survival. A southern cassowary stands on a beach at Etty Bay in ...