From oceans to mountains, these birds with massive wingspans expertly dominate the skies, flying great distances.

At five feet, whooping cranes are North America's tallest birds, migrating thousands of miles from Canada to the Coastal Bend each winter to nest, drawing birdwatchers eager to see them.

"Emma was a cheeky chap who loved having showers and muddy baths." Chloe Drew The emu is the second tallest bird on Earth (after the ostrich) and can run at speeds of up to 30mph (nearly 50km/h ...