In other words, the terms hamster and gerbil each encompass various species. The same isn’t true for guinea pig, which is a colloquial term for one particular species of cavy: Cavia porcellus.

I can help keep pets happy and healthy.” Q) My gerbil Gremlin winks at me. Should I wink back? There’s nothing wrong with his eye. Is his behaviour normal? Rita Cox, Sevenoaks, Kent A ...