Warning sign for bears, Yellowstone National Park, Wyoming, United States of America, USA

america american area areas bear bears caution cautionary conservation danger dangerous dangerously dangers day daylight daytime during exterior exteriors for national national natural nature nobody north notice notices of outdoor park park parks photo photos preserve preserves reserve reserves risk risks risky sanctuaries sanctuary shot shots sign signboard signboards signs states the united ursidae us us american usa venture ventures warn warning warning warnings warns wildlife wyoming yellowstone