From 9-foot tall ostriches to albatrosses with gargantuan wingspans, here are some of the biggest birds in the world.

The biggest bird in the world weighs between 220 and 350 pounds, ... The tallest bird to ever exist was the extinct South Island giant moa, native to New Zealand.

The biggest bird in the world weighs between 220 and 350 pounds, ... The tallest bird to ever exist was the extinct South Island giant moa, native to New Zealand.

It’s thought that the largest bird eggs ever laid belonged to the now-extinct elephant bird, Aepyornis maximus. The largest of its eggs ever found is 39 centimetres long and 32.6 centimetres wide. The ...