Average Weight:
* Polar bear: 700-1,500 pounds (males)
* Brown bear (grizzly): 600-1,500 pounds (males)
Size:
* Polar bears are typically taller and heavier than brown bears, with males averaging around 8-10 feet in length.
* Brown bears can also be quite large, with some individuals exceeding 8 feet in length.
However, it's important to note:
* There is some overlap in size between the two species.
* Individual size can vary significantly within each species.
* Some brown bears, particularly those found in Alaska and Russia, can reach similar sizes to polar bears.
Overall, while brown bears can be large, polar bears are generally the larger of the two species.