MANUEL PRESTI / SCIENCE PHOTO LIBRARY MANUEL PRESTI / SCIENCE PHOTO LIBRARY
Brown bears (Ursus arctos). Young adult male and female brown bears meeting for the first time. The brown bear reaches sexual maturity between 4-6 years of age. It will continue to grow until it is 10-11 years old. Photographed in the Katmai National Park and Preserve, Alaska, USA.
Model release not required. Property release not required.