How It Works

15 BIGGEST OF THE BIRDS ON EARTH

There are almost 10,000 species of birds on Earth, and they come in all sorts of different shapes and sizes – from the tiny bee hummingbird to the massive ostrich. Here we take a look at some of the biggest birds that inhabit our planet, including the tallest, heaviest and those with the widest wingspan.

HARPY EAGLE Harpia harpyja

Named after a human-bird hybrid in ancient Greek mythology, harpy eagles are some of the biggest birds on Earth. They are among the largest species of eagles, particularly when comparing their weights. An adult female can weigh up to nine kilograms, and males grow up to 15.4 kilograms. To compare, a bald eagle can weigh up to 16 kilograms. These birds soar across South America, kept aloft by their impressive two-metre wingspan, hunting for prey that includes

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