In some places, notably Wales and Gloucester, a remnant of a spotted breed lingers; and a large proportion of common pigs, often parti-coloured, are mongrels.
I have one gooseberry bush; 3 mongrels, thought by some to grow currants.
Buffon got four successive generations from the wolf and dog, and the mongrels were perfectly fertile together.
Like Oscar they are both rescued mongrels, of course!
To get the restaurant off the ground, several Hollywood mongrels lent their support in the form of endorsements and cash to put Earl's dream on the map.