Tarsiers are small jungle animals with a strange mix of features: They can swivel their heads like an owl, jump to 30 times their body length using frog-like legs, grip branches with their nimble feet and toes, and see in the dark with their huge eyes. These traits have helped these little animals survive; they have basically gone unchanged for 45 million years.Bright Eyes: The tarsier is a nighttime hunter, and its huge eyes help it find prey in the darkness. Always wide open, the eyes...