- At the back of a cat's foot is a single carpal pad that doesn't touch the ground. Instead, it acts as a brake when the cat leaps forward.

 - The Wizard of Oz's Toto was played by a female Cairn Terrier named Terry

 - Blue whales weigh as much as 30 elephants and are as long as three greyhound buses.

 - A purring cat doesn't always mean a contented cat--they will purr also for stress relief and when they are in pain!

 - The very first bomb dropped by the Allies on Berlin during WWII killed the only elephant in the Berlin Zoo.