If you asked me a week ago to list the 15 biggest birds in the world, I'd have said 'Big Bird' and then gone blank. But here I am, one week later, armed with all the details of the largest birds in our beautiful natural world. Get your wings ready because we're flying high today! From the largest bird of prey in the rainforest to Earth's craziest creature, here are the 15 Biggest Birds in the World!

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