Male elephants generally use their tusks for ... in Mozambique indicated a higher proportion of female elephants born without tusks. Scientists believe that the new genetic mutation was caused ...

Visit BBC Webwise for full instructions Wild boar roamed all over Britain ... young to find food and suitable habitat. Male wild boars grow tusks from both their upper and lower jaws.

Wild boar roamed all over Britain until over ... sows and all their young to find food and suitable habitat. Male wild boars grow tusks from both their upper and lower jaws. The upper tusks ...