What kind of shepherd mix is this?

[Barney]

Looking at adopting this dog, but would like any guesses as to what breeds it may be. Much appreciated.

http://www.pawschicago.org/adoptions/dogs-available-for-adoption/leroy/

 

[imamystix616]

looks like it has a tiny bit of shepard but looks like there are about 2 other breeds in it too.

 

[renopup2007]

i would say either black lab or aussie shepard