background birds brown buff Camouflage camouflaged climate-tolerant common common-pest contrast dark ever-expanding-populations fauna gray grey house-sparrows insect-eaters introduced-species Luke 12:6-7 Matthew 10:29-31 mottled Old-World-sparrows passer-domesticus passerine-birds pavement pest plump powerful-beaks prolific seed-eaters small social sparrow sparrows textures true-sparrows two-a-penny worldwide-distribution breadcrumbs climate tolerant ever-expanding populations feeding house sparrows Matthew 10:29 passer domesticus paving african alert biological-interaction bird black broad-mouthed collagen creases curious eating endangered flat-mouthed folds food grazer heavy herbivore herbivorous hide horns inquisitive keratin large mammal Myna myna-birds mynah Noisy placid plumage powerful precocious rhino rhinoceros skin snout square-lipped-rhinoceros strong symbiosis symbiotic threatened tough watchful white-rhinoceros wide-lipped-rhinoceros wrinkled wrinkles abstract angles art artistic arty backdrop blended blue circles color colored colors colour coloured colours cream decoration decorative design detailed detailed patterns edges geometric geometrical image images interconnected intermeshed interwoven intricate intricate patterns kaleidoscopic patterns light lines mandala orange patterns points purple radiating red shapes sharp style texture vibrancy vibrant wallpaper white yellow black-rhinoceros critically-endangered Diceros bicornis herbivorous-browser hook-lipped-rhinoceros lattice-structured megafauna odd-toed-ungulate offspring perissodactyl southern-white-rhinoceros square-lipped rhinoceros surface thick zoo green pink butterflies monarchs Australia-wide Australian Australian-parrots Australian-pink-cockatoos cockatoo electricity eolophus-roseicapillus familiar friendly galah galahs grass-feeder iconic intelligent like-musical-scale observant observing parrot perch perched perching pink-and-grey power-lines resting rose-breasted-cockatoo rose-pink roseate-cockatoo rosies score seed-eater watching widespread wild willock-cockatoos wires