Now that we know, we'll be avoiding them forever, along with these other biggest birds in the world. Average weight: 25 pounds Max weight: 33 pounds Average total length: 6 feet Does the Dalmatian ...

The North African ostrich is critically endangered. Once widespread in the Saharan region, its population has declined due to habitat loss and overhunting ...

Andean condors are massive birds, among the largest in the world that are able to fly. Because they are so heavy (up to 33 pounds), even their enormous 10-foot wingspan needs some help to keep ...

The North Island brown kiwi is a flightless, nocturnal bird that lays the biggest egg relative to its ... an egg that is 15 to 22 percent of her weight. A male then incubates the egg for 68 ...

Not only are ostriches the largest birds on Earth, but they can also sprint at speeds of up to 70 km/h. As the largest fish on Earth, female whale sharks can reach approximately 14 meters in ...