Gerbil Behavior

Which
of these things do you see the gerbils do?
|
Eating |
|
|
Sleeping |
|
|
Digging |
|
|
Chewing |
|
|
Scurrying |
|
|
Grooming each
other |
|
|
Washing
themselves |
|
|
Drinking |
|
|
Making a nest |
|
|
Thumping |
|