The bear in question is a (Ussuri brown bear). Unlike the grizzlies of North America, these bears have a unique coat texture that, in the summer months, looks sleek, shiny, and almost "groomed." The "Hot" Factor: More Than Just Temperature When the internet says "kera bear hot," they are not talking about body temperature (which, for a bear, is roughly 98–101°F). Instead, "hot" is used in the slang context of aesthetic attraction—similar to calling a car, a sunset, or an animated character "hot."
However, the current viral wave points to a specific Japanese Zoological park where a brown bear named Kera (ケラ) gained fame not for being ferocious, but for exhibiting "human-like" behavior. kera bear hot
Research from Yale University suggests that when we see something overwhelmingly cute (or aesthetically striking), our brains sometimes respond with a dimorphous expression—we grit our teeth, clench our fists, or say something that doesn't match the emotion, like "I want to eat it" or "That bear is hot." The bear in question is a (Ussuri brown bear)