What bird laid the largest eggs ever known? To date, the record holder is the now-extinct Elephant Bird, a relative of the present-day Ostrich and other large, flightless birds, including rheas, cassowaries, and kiwis. Elephant Birds lived on the island of Madagascar. But by perhaps 1000
The flightless Ostrich is a bird of superlatives. It's the largest and tallest bird on the planet, growing to maybe eight feet tall, and weighing 250 pounds! It's also the fastest creature on two legs, capable of running at 40 miles an hour. Ostriches have never been observed to stick
What looks like feet on a bird are actually its toes. That backward-looking knee is more like an ankle. A bird’s feet are suited to its unique way of living. Eagles capture live prey with long talons, while water birds use webbed feet to guide and propel themselves. And ostriches have two
Imagine an Ostrich, an Emu, a roadrunner, and the world’s fastest man and woman, all lined up for a race. Olympic sprinter Usain Bolt holds the men’s record for the 100-meter dash — 28 mph — and Florence Griffith-Joyner ran it just a shade slower. But in this race, Africa’s Ostrich takes
The ability to fly seems to define birds. But there are more than 50 species of flightless birds throughout the world — from the Ostrich and Kiwi to flightless rails, ducks, and this Humboldt Penguin. Why did they evolve the inability to fly? Many dwelt on islands. Others evolved until
