break hiking hut pause search watch out watching anxious back beware danger guard look back lookout mammal meerkat on-guard rodent sit sitting surikat uneasy watch worried worry african alert animal animals be careful crossing dog observant observe painted dog sign warning wild wild dog wildlife zoo announcement black car care careful cars caution communicating communication drivers informing pedestrians safety security vehicles watch-out yellow brown white be-careful red boom boomgate information road road-users blocked blocked-path detour directing direction go-around aware awareness boards directions informative observance observe regulations rough rules rustic visitors wood wooden camel camels drive driving reflective