Birds, by design, tend to be small, light and streamlined. Yet there are some that push the boundaries of size. Here is the ...

The tallest bird to ever exist was the extinct South Island giant moa, native to New Zealand. Female giant moas could reach nearly 12 feet tall. With such a large mass, it makes sense that most of the ...

The biggest of all the birds on Earth, both in size and weight, is undoubtedly the ostrich. These behemoth birds grow up to 9 feet (2.7 m) tall and can weigh up to 287 pounds (130 kg), according ...

The giant moa has been extinct for 900 years, but Maori researchers working Colossal Biosciences and filmmaker Peter Jackson ...

Weighing in at 70 kilograms or more, the all-time biggest bird couldn't just hop into the air and fly away, researchers say. A team led by Sankar Chatterjee of Texas Tech University used computer ...

It's a big weekend for the bird watchers of Windsor-Essex. Friday marked the start of the annual Great Backyard Bird Count. The four-day event wraps up on Feb. 21, and asks people to make a record ...