| The Chollima, a mythical winged horse, is the national animal of North Korea. |
| The volume of blood pumped by the heart can vary over a wide range, from five to 30 liters per minute. |
| Buffalo are capable swimmers and often cross deep water in search of better grazing. |
| Stomach acid is corrosive enough to eat through metal, bone and more. |
| The blood flow in kidneys is higher than the blood flow in the heart, liver, and brain. |
| The shape of ancient Egyptian pyramids is thought to have been inspired by the spreading rays of the sun. |
| A woodpecker can hit a tree trunk 100 times per minute at rates of up to 24 kilometers per hour (15mph). |
| Venus is the second brightest object in the night sky. |
| A bison's hump is composed of muscle, supported by long vertebrae. It allows bison to use its head to plow through snow. |
| In the UK, all horses, ponies and donkeys must have a horse passport. |