advice alert announcement beware black bright camera cctv communicating communication constant continuous information informing lookout notice observation observe safety security sign surveillance under-observation video warning warning-sign watch watched yellow electronic protected protection secure blue white cameras center centre closed-circuit-tv extensive monitoring monitors notification signage thorough african Afrikaans animal animals aware burrowers carnivore colonies curved claws desert fur guarding insectivores insectivorous Look looking mammal mangoest meerkat meerkats mongoose observant observer observers protective pups search searching social stokstaart stokstaartje striped stripes suricate suricate-suricatta upright vigilant watchers watching wildlife young zoo