What is wrong with this dog (structurally)?

I agree... maybe not enough neck

 

Hard to say without putting your hands on, but he looks a bit short bodied. Shelties should be slightly longer then they are tall. That's the first thing that pops out at me.

 

I'm no expert and, like Justicemom said, it is hard to tell without putting your hands on the dog. It could be the way the dog is standing, but the ears in line with the feet, make it look like he has a straight front. Also, he doesn't seem to be standing square on his feet. From the position of his back feet, it looks like he's supporting most of his weight with his rear, which also makes me suspect not enough angulation in the shoulders.

 

I am no expert either...

But a short neck,short body pops out at me immediately.

 

The angle isnt the best to judge from, and the dog isn't stacked particularly well, but the dog does appear to have too little neck, and the front looks to be fairly straight

 

It's a gorgeous dog. Just looks to me that the back legs aren't positioned right for the picture..almost like he/she's getting ready to go into a "sit" position. Beautiful dog though.

 

That's what I thought. Grizz likes to jump up in the air and it took a ton of work to teach him to stack up and put his legs back in a normal position and not have his weight over his hindend getting ready to jump. Believe me it creates a look of something that is not there.

 

good point