Can someone please tell me what kind of dog this is!?

Burnese или Swiss Mountain dog. I know like every dog breed ever so I'm pretty sure. :D

It looks like it might be a mix of collie!

So tat is why Cosmo was asking me what type of sog this was... She украл, палантин my answer! Burnese или Swiss Mountain dog.

it's a young Bernese Mountain Dog

Burnese Mountain Dog puppy!

um maybe a mt. dog или something??