If you’re interested in eye-popping, attention-grabbing animals, look no further than hybrids. While hybrid animals like this wolf-dog are a fascinating cross of two separate species, they also reveal a host of ethical problems. < . . . > To create this “bear-dog” hybrid—who didn’t actually have any bear DNA—Russian breeders allegedly used a Chow Chow and some other sort of long-nosed stray. As animal shelter volunteer Polina Kefer put it, “This dog is a ‘badly-made’ Chow Chow.” While the four-year-old pooch might’ve looked cool to some, mentally, he was a mess. < . . . > Unfortunately, all of...