Pictures: Agama Lizard and Hippopotamus in Tanzania.
Red-headed Rock Agama (Agama agama), also commonly known as the Rainbow Agama, Lizard in Tanzania.
Agamas are small, long-tailed, insect-eating lizards that are composed of several species found in Africa. They may eat also small mammals, reptiles, and vegetation if necessary. They are diurnal and can often be seen in the heat of the day.
Most agamas live in small groups with the dominant male ruling over several females and sub-males. Their sticky tongues help them hold onto prey. The dominant male is easily recognizable since it displays striking colours. It is probably one of the most beautiful lizards in the world.
Hippopotamus in Tanzania.
Hippos spend most of the day in the water. Staying submerged helps a hippo stay cool in the hot, tropical climate where it lives. The hippo's nose, ears, and eyes are on the top of its head, and they protrude from the water. Although hippos weigh from 2,300 to 3,600 kilograms. (5,000 to 8,000 pounds), they are excellent swimmers. At dusk, they emerge to graze on grass, sometimes several km away from the water. A hippopotamus may eat up to 68 kg (150 pounds) of grass a night.
Hippopotamuses are aggressive, do not fear humans, and are considered one of Africa's more dangerous animals. The only land animals larger than hippos are elephants and rhinoceroses.