Which of these are 'dogs'?

[Robbert Raets]

I'm not sure, ms Burger. Evolution has this way of not being backwards-compatible, and in many cases, especially certain breeds of dog, there may be, er, 'size incompatibility' issues...

 

[Kahuna Burger]

I'm not sure, ms Burger. Evolution has this way of not being backwards-compatible, and in many cases, especially certain breeds of dog, there may be, er, 'size incompatibility' issues...

heh heh. I know people keep half wolves and have heard less confirmable stories of crosses whith coyote and dingoes. All domestic dogs are genetically compatible... and the larger females tend to be... er... accomadating to males who have trouble reaching... now the other way around on size...

Kahuna Burger