Terminology
Although more accurately and traditionally called "crossbred", crossbred dogs are sometimes referred to more fashionably as "hybrid", for unknown reasons. In biology, a hybrid animal is one with parentage of two separate species, differentiating it from crossbred animals, which have parentage of the same species. Hybrids are usually, but not always, sterile. All dogs, including crossbreeds, are of the species Canis lupus familiaris. Crossbred dogs are not a hybridization with another species.
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