Kori bustards are the largest flying birds, according to the United Kingdom's Natural History Museum. They live in southern Africa and can weigh about 42 pounds. They have a 9-foot wingspan.

Despite its massive wings, the Andean condor isn’t a heavy bird, weighing between 7 to 15 kilograms (15 to 33 pounds).But what it lacks in bulk, it makes up for in endurance—this scavenger can ...

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, but it doesn't even come close to the largest bird who ever lived. Here's who it is.

The giant moa has been extinct for 900 years, but Maori researchers working Colossal Biosciences and filmmaker Peter Jackson are partnering to bring the species back.

Biggest penguin in history was 'monster bird,' weighed over 300 pounds Scientists discovered Kumimanu fordycei, a 'monster bird' By Julia Musto Fox News. Published February 10, 2023 3:14pm EST.