No. 1 you seem to have focused on the paw to the left. As the previous poster said the eyes are the key.
No. 2 top of head is cut of and there's way to much foreground.
Also that pop up flash is doing you no favours here. Shadows are too hard and with no. 1 it looks like you've overexposed the forehead.
Try getting some shots of the dogs outside in daylight, keep plugging away and stick around - you can learn some really valuable stuff here
Welcome by the way.