Does anyone have any suggestions in how to stop my 7yr old collie from digging holes in the lawn? she started this behavour about a year ago.
Does anyone have any suggestions in how to stop my 7yr old collie from digging holes in the lawn? she started this behavour about a year ago.

Has anything else changed within the last year? Different living situation, loss of another dog, new house?

Matt. Rocky's a Dog.
Also -
How long is she left unattended outside?
-Shannon