About of all mammal species are bats. The world’s lightest mammal is the bumblebee bat. Bats can consume insects in one night. The world's largest bat, the Rodrigues fruit bat, has a wingspan of up to 6 ft.
The killer whale or orca (Orcinus orca) is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. Killer whales are found in all oceans, from Arctic and Antarctic regions to tropical seas.
37 Incredible Wreck Dives That Will Give You Goosebumps This is so amazing! Check out the images of shipwrecks and aircraft wrecks found in the depths of the sea! Photograph Steaming Kittiwake by Nadya Kulagina on