abstract activity ants ants-nest appearance arid Australian background color colored colors colour coloured colours crater crater-like effort entrance firm grains grainy insects nest red reddish round rounded sandy Soil surface texture textures work bull ants colorful colourful compacted cracked danger painful bight pindan active ant bugs cleaning conceal disturbed eggs entrances gathering ground holes industrious mandibles movement moving nests protecting protective scurrying shadows tidying abundance abundant brown Camouflage carrying crawling creatures critters dispersal dispersing rotten rotting rotting-wood spread spreading white circle circular cone conical cracks craters sand symmetrical symmetry aglomeration animal animals anthill branches busy castle colony community construction cooperation crawl crowd forest Formica group hill horizontal house housing insect nature needle social team teamwork tree wilderness wildlife wood worker working art artistic geological granular painted painting