Photo by Charlie Hamilton James chamiltonjames | A group of ostriches and a lone gazelle feed along a ridgeline at sunrise in Kenya's Masai Mara Reserve. Ostriches are the world's largest birds, with males birds standing up to 9 feet (nearly 3m) tall. They can run at speeds of 45 mph (70+ kph), making them tough to catch for predators such as lions and cheetahs. #campaignfornature