I see either chocolate lab or some sort of hound in there. It's very possible that the littermates all share a single mother, and different fathers. My puggle female (a birthday present that turned out to preggers when she was given to me) had a litter of puppies that could not have looked more different from each other - it's hard to believe they are litter mates!
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My personal favorite - Tuffy (male)
Out of a litter of seven, we still have two left - not many takers around here and Rusty and Tuffy still need homes!