| 'The Praying Mantis' is the only insect that can turn its head. |
| Rattlesnakes gather in groups to sleep through the winter. Sometimes up to 1,000 of them will coil up together to keep warm. |
| If a rainbow is seen from a plane it is possible to see the rainbow as an entire circle and not just an arc. |
| The average rainfall around the world is 40 inches per year. |
| It takes about five years for an oyster to produce a medium-sized pearl. |
| Dogs only see shades of grey and most of them are short-sighted. |
| Most oysters are ambisexual. They begin life as males, then become females, and change back and forth many times. |
| Termite queens are fertilized regularly by the same mate for life, unlike bee and ant queens, whose male partners die after the first and only mating. |
| A polar bears skin is black. Its fur is not white but actually clear. |
| A large cumulonimbus cloud can hold enough water for 500,000 baths. Most of the water droplets in a cloud re-evaporate and never reach the ground, only one-fifth actually falling as rain. |