If your gerbil is healthy it will have soft shiny fur,bright eyes and a clean nose.
If your gerbil is healthy, it should just dig by itself. Gerbils are natural diggers, as they make burrows to live in in the wild.
Keep him warm, fed and healthy.
Because she is scared or excited and wants to tell another gerbil. Or she is calling for a male gerbil to mate with.
boys will have the sack girls will not
Cut it in half and count the rings.
Yes. You can tell if your gerbil is scared if he shivers or if he chatters his teeth
you can tell because if its nose changed a different color like light purple
Around 70g-100g for a female or around 30-110g for a male
The one that is attractive to you and is full of energy, It has to have bright eyes no cloudiness and a full grown healthy tail.
I am not sure that records were ever kept of that sort of thing, so we can not tell you.
It is best to feed a pet gerbil a variety of healthy food. Commercial store bought food is really good for the base food for your gerbil. But Gerbils like treats too, so try some pasta, nuts, cereal and of course some crickets for a fun treat.
if your gerbil is a female there usally quite small so you can tell by looking at there stomach like humans they get a bump and sleep more often but its best to get two of the same sex.