(1) While most of us are all too willing to cuddle guinea pigs, rabbits, gerbils , pet mice and even ferrets, brown rats produce a reaction of almost universal revulsion.

(2) Although allergies to cats are the most common, people can also be allergic to dogs and small animals such as gerbils and guinea pigs.

(3) At school, our classroom had a small rodent zoo consisting of two rabbits, three hamsters, a litter of baby gerbils and a guinea pig.

(4) According to Dr. Ritzman, gerbils are capable of living in either same-gender or mixed-gender groups but may fight if crowded or mixed as adults.

(5) In this study we measured the strategy-specific foraging traits of gerbils under both laboratory conditions and in the field.