Atop the highest mountains and tallest trees, wildlife abounds.
On almost every continent, there are animals thriving in high places. These creatures aren’t afraid of heights, nor should they be. Every one of these high-flying, mountain scaling animals has evolved, over millions of years, the ability to flourish in places humans can't reach without a helicopter. This collection of images, taken by National Geographic photographers, illustrates the immense diversity of life that exists above us.