Lisa Jones
#7 Pregnant guinea pigs, occasionally males, make sounds similar to birdsong.
#8 Guinea pigs usually live for about five years, but with proper care, their lives can be extended for a few more years.
#9 Guinea pigs become adults and capable of breeding within a month after birth.
#10 The teeth of guinea pigs grow all their lives, so it is very important for them to grind them for food.
#11 When the guinea pigs are happy, they stretch or bounce in place.
#12 The oldest guinea pig lived to 15 years – this achievement is recorded in the Guinness Book of Records.
