Secretary Birds, Masai Mara, KenyaSecretary birds are quite large and spend most of their time on the ground roaming the grasslands of east Africa. But they can also be seen perched atop acacia trees from time to time. I photographed this pair in the Masai Mara of Kenya. Nikon D500 with Nikkor 200-400mm lens (at 400mm) ISO 400, f/4 at 1/1600th of a second.