Now, just because a rattlesnake's tail sounds like a built-in maraca doesn ... It's made of keratin, the same hard substance as your fingernails. The keratin is arranged in a chain of interlocking ...

The three year old Dalmatian Vizsla cross named Gwen suffered from 'happy tail syndrome', which caused wounds and dislocations. The wounds got so severe that vets advised owner Sophie Scott-Thomas ...