Mini Schnauzer loving but snapping
My (rather big)1 year old mini schnauzer is lovely - clever and very affectionate BUT - if he is doing something naughty - like stealing a magazine and tearing it to shreds and I go to take it off him - he growls and snaps at me. He also charges up to people when we are out for walks and barks at them. If they just talk to him..he then greets them...but this can frighten some people.
He is well socialised and we go to dog classes. When he growls or snaps at me I send him to his bed for a time ....
Any idea why he does this? Is it a schnauzer trait?