Nudibranchs, together with a huge variety of other marine molluscs, are commonly known as sea slugs (Coryphella polaris). Photo by Alexander Semenov, from Animal Earth: New Photos Exploring the Diversity of the Worlds Most Obscure Species
Real or photoshopped? The gerenuk, also known as the Waller's gazelle, is a long-necked species of antelope found in dry thorn bush scrub and desert in Eastern Africa. The word gerenuk comes from the Somali language, meaning "giraffe-necked".
Scientists discovered the tiger salamander has a unique way to survive drought. Some eggs carry the genetic blueprints to become harmless plankton feeders. Meet the top animal survivors on Ultimate Animal Countdown