the #1 trick I have had those bobcats use on me is to dress up like a bobcat and do stuff a bobcat normally does. I am sure there are bobcats I have run that have never heard a dog before and never had the experience of shaking them off. They still do pretty good at loosing my sorry mutts. I think it is more just the nature of the beast.
A lot of them are not giving off a lot of scent. Might be because they are such clean animals, always bathing so to speak. Couple that with some of their natural habits, and they can come off looking pretty smart.
I know that some are capable of repeating something that lost the dogs before. I dont pretend to know if they are thinking about those things and problem solving in the way a smart herd dog might do, for example. They might be just repeating routes that are habitual for them and it just so happens that there is something about that habitual route that throws the dogs every time.
Probably the most common "trick" they used in Oregon when I was hunting there was simply to hit the open road for a while. You would think a dog could just go down the road either way and figure it out, and sometimes they did, but a lot of times they didn't. And even if they did, sometimes by the time they found it things had gone from a jumped race to trailing.
My style was to try and keep up with the dogs so I got to experience as much of the actual hunt as possible. A lot of times I would get thrown out of the race, but I also got "lucky" a few times and got to see some things happen befor my eyes.
In following them cold trailing, I have often seen a bobcat put a "spur" in his track. They seem to go out one way, then come back on their track for a ways, then head off in a different direction with a new track at some point. This looks extremely smart. But again, it was a cold trail. The cat was probably hunting. I have done the same thing many times if I was still hunting deer, for example. I am checking out a veiw point, or returning to a spot I got lucky in the past, or I start one way and change my mind or whatever. I might be making sweeping statements if I were to put those same thought processes on a bobcat, but he might just be doing the same thing.
I have also seen a different cat walk down another cats track the opposite direction. and then peel off after a while. How smart can you get? But I honestly dont think it was something they thought about. I just think it is something they do sometimes. I am of the opinion that they hate walking in snow, and all these behaviors are is puting their feet on the sidwalk instead of getting them snowy again. I have seen domestic house cats shake their feet while standing in an open doorway of the house thinking about going out! They dont like it. But they do it because they got things to get done.
This same thing has caused some cat tracks in the snow to completely dissapear into thin air. Then you get to looking and realize there is a series of exposed rocks, and that cat is just avoiding the snow.
I have told the story of the cat I saw about to get rolled. The snow was at least 8" and soft. That cat disapeared, then reappeared behind the dogs, heading the opposite way. The dogs had not the slightest Idea. I was watching it, and I have no idea how he got that accomplished either. But because there was two dogs you had the old Oula Belle saying"I dont got him anymore, you got him?" and Spike Driver saying: "What are you talking about, I thought You had him... Are you sure you dont have him? No I know you got him, you always got him... right? right? C'mon, you got him right?" And by the time they realize that neither one is cracking a joke, they have gone 50 yards and have no idea where to start looking for that cat. If I had not been there, I have no idea how long it might have taken them to find the track going backwards inside their own tracks.Now there is a smart cat, right? Hmm, not sure if that was brains or just basic survival instinct or just pure luck cause my dogs are idiots. But it sure caused me to think back on races that could have been explained perfectly with exactly the same series of events.
The other thing they commonly do here is to repeat a circular route and get an area so tracked up with cat and dog that the dogs really have no idea if they are coming or going. I kinda dont think the cat really processes that one mentally either, but maybe he does.
Another thing those smart cats do sometimes is to climb a tree! I feel that loosing cats at a tree is probably about second to loosing them on a dry road. They use this trick of not hugging the tree like a coon does. They have figured out

it is best not to rub your private parts on the tree bark like that. Depending on the tree and the obstacles around it, they might not even touch the tree until higher than a dog can put his nose. I dont know of any dog that can figure some of this stuff out except with just a ton of experience, and learning something from each experience. But the cats are just being cats, I think. In an area of hundreds or thousands of thick evergreen trees, and thousands of dog tracks within minutes, what are chances of finding him? I have even seen dogs that KNOW he is up and can wind him but cant figure out which tree.
Now I think the thing that probably displays the possibility of memory and reasoning in a bobcat is the vertical rock syndrome. There are cats that have gone their normal routes when escaping persuit and eventually seem to realize that dogs can not climb walls. The reason I think this is because some cats will make tracks toward the vertical rocks just at the sound of a hound. There are cats that have been "trained" to tree in the same way; long befor the dogs have gotten close to them. So, I guess I just dont know how intellegent they are. Maybe a lot more than I am giving them credit for.
Hopefully, we can get some stories that would give some more evidence one way or the other.
But these are some of the reasons I love bobcat hunting. Extremely intellegent or not, it is a great challenge to dog, cat, and man alike. Probably a bigger challenge to the dog and the man than it is to the cat. But that is what keeps me wanting more, and spending way too much time thinking about it when I probably should be thinking about something else.