Those dolphins

Five Shocking Animal Hybrids That Truly Exist in Nature, From Narlugas to Grolar Bears to Coywolves

When it comes to reproduction, dolphins may be among the least discriminatory creatures on the planet—frequently mating with cetaceans of other species, dolphins seem especially “open-minded,” wrote the Washington Post’s Jason Bittel in 2019.

Shocking. But nothing new. All humans of non-African descent have DNA that's from one to four percent Neanderthal, this Smithsonian article says (Africans' DNA is about 0.5% Neanderthal). And then there's the kunga — "a cross between a female donkey and a male Syrian wild ass" — believed to be a human-made hybrid much prized in Mesopotamia some 4,500 years ago.

And groler bears.