This April 2018 video says about itself:
Bear size comparison | Extant and extinct species
Bears come in different shapes and sizes, and they differ in comparison to other predators and even amongst the bear family itself. This bear size comparison video will show the height and weight of extant and extinct bear species. Starting from the smallest bears ever, the sun bear and the dwarf panda; yes, pandas are also bears… LA DI DA, now you know!
There are also extinct bears which are not so large in size and others that dwarf even the polar bear in size. These are the largest bear species ever to exist. Although right now the largest bear species is the frikkin polar bear, roarrrr!