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.