Did you Know

...that an Old English Mastiff holds the record for being the heaviest dog? In 1989, "Zorba", a Mastiff in London, weighed 155.58 kg (343 lbs).

...that during the 19th century mummified cats in Egypt were excavated and used as manure? In one consignment alone, there were 19 tons of mummified cats. Unfortunately, all that was saved from that consignment was one skull, which was given to the British Museum.

...that the amazing Swordtails can sometimes change from females to males? Swordtails first became aquarium fishes in about 1910. A few years later, it was reported that some females, after have several broods, had reversed sex - completely changing from females into fully functioning males!