• The roar of a lion can be heard from five miles away. • A pregnant goldfish is called a twit. • A rat can last longer without water than a camel. • Rhinoceros’ horns are made of compacted hair. • ...

Zookeepers have proposed a real “grizzly” solution to controlling giant invasive goldfish. For years, pet goldfish released into US waterways have been wreaking havoc by ballooning to gargantuan sizes ...