The Hadzabe are one of the last groups of hunter-gatherers on Earth. Their population lives about 1500 miles north of the San near Tanzania's Serengeti and represents one of the first branches in the human family tree. They split from the founding population (the San) around 150,000 years ago. This image is from The Human Family Tree.
The wolverine is a stocky and muscular carnivore, more closely resembling a small bear than other mustelids. The wolverine has a reputation for ferocity and strength out of proportion to its size, with the documented ability to kill prey many times its size. This image is from Phantom Wolverine.
A white lipped green pit viper's face caught in focus around its body. Their forked tongue flicks molecules of scent into something called the "Jacobson's organ" which on the roof of the mouth and alerts the brain that a potential meal is in the vicinity. This image is from World's Deadliest Snakes.
Photojournalist Dominic Bonuccelli at Vulcan Totumo, a volcano full of mud. The legend has it that this was the work of the devil, and a local priest would come and sprinkle a little bit of holy water in the volcano every day until eventually he drowned the devil, and he turned the lava into mud. Supposedly the minerals in the mud can perform miracles on your skin and on your soul. This image is from Lonely Planet: Roads Less Travelled.
A mother gorilla and her infant sitting in the long grass. Conflicts in weaning between mother and offspring is minimized as the young has many play partners. This image is from An Animal Saved My Life.