Judy, I agree with the others that it seems Gunnar views you as a good pack leader and doesn't have to make those decisions for you when you're around. He doesn't do anything when people come over to your house or ring the doorbell...
Ditto. And I think this is a good position to be in - you have a dog who has a great capacity to be friendly and well mannered, at the same time, he knows when he needs to step up and will at least attempt to play protector if he knows he has no back-up (I say "play" because, as we all know, there is little way of knowing for SURE what extent his actions are real, or for show, until he's faced with an actual threatening situation... which hopefully won't be anytime soon, if ever!)
but would he be the same way if he picked up on the fact that you were really scared or nervous about a stranger coming over? I can't answer that of course, but it's not outside the realm of possibility.
For those of us with dogs who are, for the most part, companions, I think this part plays a bigger role than you think. I know for a fact that my dog relies heavily on my emotions/feelings and can tell when I'm comfortable in a situation, or not. I have learned to keep up a very calm state of mind when I'm walking with him for this reason - to keep him in content pack-follower land, but if I'm nervous in the house, he knows and he goes into a higher state of alert. There's no way to be certain, of course, but I'd put money on Oscar acting defensively if I were ever threatened in such a way that made me physically fearful (someone breaks into our house, tries to attack me at the front door, or when we're in the front yard... etc.). I also know, given Oscar's personality and breed, he would most likely "act" by barking loud, lunging, and jumping up onto the aggressor to actually push them away. He's not a biter, and while he has plenty of big teeth that he would happily use on another dog, it would take a pretty severe threat for him to turn his mouth on a human (he's very fond of using just enough conservative force to make a statement, without going over the top... I actually love that about him.
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There have been 2 occasions where Oscar has acted in what I would call a very calm, protective mode that really surprised (and pleased me). On 2 separate nights, about a year apart, he picked up on something in our apartment building that I did not, something that made him anxious (noise or smell, or both). He kept his eyes on the door (we actually had a second entrance in our bedroom, but we never used it) and wouldn't settle. I even poked my head out into the hallway at some point to check - saw nothing. Oscar's bed was at the foot of our bed, and the door was on one side of both, with maybe 4 feet in between. On those 2 separate nights, instead of retreating to the foot of our bed when it was time to go to sleep, Oscar positioned himself in the narrow space between our bed (and my SIDE of the bed, specifically) and the door - he even faced the door. He sat quietly for a while, inches from me, just staring, and then he actually laid down right there next to me to go to sleep. It actually freaked me right out, because I knew he knew something I didn't...
In the morning (of each incident) when we got up to go for our morning walk, we discovered a person sleeping on the second floor landing (our apartment was on floor 3). A man the first time, and a young woman the second. Neither were outwardly threatening, but they were strangers (clearly homeless), and must have filled the hallway with new scents, and probably inaudible (to me) noise, all night. Oscar scared the pants of the young man (whom he awoke by charging and barking in the biggest, loudest voice he could possibly muster... I've never seen a sleeping person jump up so quickly :blush
, but I was awfully glad he was with me... I will mention my boyfriend was away both of these nights, and I was one of only 2 tenants in the whole 3 story building, at the time.
There will always be unpredictably unique situations - you can only prepare for what you can think of, and the rest is up to chance. A trained dog, I would hope, would be a bit more predictable, but they're individuals just like us, and sometimes they do unexpected things.
As far as my understanding of my dog's OTHER reactions:
Oscar, I know, is a bit wary of horses and livestock. He'll keep his distance and try to sort of nudge me away if I get to close to a fence line with animals just behind it. Don't know what he'd do if a COW attacked me, but whatever it was, it'd probably be from a distance
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Smoke, I know, makes him edgy. Have no clue how he'd deal with a house fire, but the stovetop dinner disasters we've had (and the smoke alarm in particular) have really sent him nervously pacing around and crying. I think he'd wake us up if were were sleeping, but if he were alone in a house fire, I'm not confident in his ability to call 911...
Now, lets say I'm unconscious and the police arrive at our house to help and Oscar meets them at the door... I have a hunch he'd bark and lunge, but if they were persistently friendly and calm with him, they could probably talk him down enough to get to me (he's a hound - LOUD for sure, but not menacing, no teeth baring grimaces and snarls). But gosh, that's a toughy, because then they'd check my vitals and probably pick me up, and he might have an issue with them touching me...
Good questions Judy! Most of the answers can really just be speculation, without having ever encountered some of these situations, but it's a good thinking game! (not sure I'd wager anything over $20 though... my pockets just aren't that deep
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~Natalya