But elephant birds, who lived more than 1,200 years ago, were likely the biggest birds to ever exist at over 1,500 pounds. Some even clocked in around 1,900 pounds, according to Scientific American.

Few creatures capture the imagination quite like the elephant bird. This colossal bird, often hailed as the biggest bird to ever roam Earth, has been a subject of fascination and study for centuries.

From harpy eagles to albatrosses, there are some big birds out there in the wild, but one prehistoric bird dwarfs anything ...

A newly discovered leg bone from Columbia is likely to be from the largest member of the Phorusrhacid family – appropriately known as "terror birds" – we have yet ...

New Zealand has been a haven for earth-bound birds for eons ... nearly twice the size of those found in emperor penguins, the largest living penguin. Other boulders yielded bones from a smaller ...

Flocks of birds can be one of the most majestic sights in the natural world, ignoring all the squawks and chaotic flapping. Among certain species, these mesmerizing congregations of flight can ...

Fossils found in New Zealand highlight an era after the dinosaurs when giant flightless birds prowled the seas ... those found in emperor penguins, the largest living penguin.