1. Clowning Around. These little sea slug cuties are one of 3000 known species of nudibranchs. Their crazy coloring comes from the food they eat.
[Photograph By David Doubilet, National Geographic Creative]
2. Incognito. This spicebush swallowtail caterpillar is in disguise as something much scarier: Birds pass it up as a snack because to them, these fake-eyed mimics look like snakes or treefrogs.
[Photograph by darlene a. Murawski, national geographic creative]
3. Turtle Power. No one knew that this cutie, a Reimann’s snake-necked turtle (Chelodina reimanni), even existed in 1990. It prefers to swim in remote rivers in Indonesia and Papua New Guinea.
[Photograph By Joel Sartore, National Geographic Creative]
4. Run Away! This year-old Nile crocodile’s favorite snack, a frog, hangs in the balance between life and lunchtime.
[Photograph By Jonathan Blair, National Geographic Creative]
5. Flying Puffs. These aww-worthy little honduran white bats (Ectophylla alba) snuggle together as they roost under a Heliconia leaf in the Braulio Carrillo National Park in Costa Rica.
[Photograph By Konrad Wothe, Minden Pictures]