adult alone animal beak beautiful bird close defensive duck fauna feather feathers feet flu geese goose grass gray green grey greylag isolated large migratory nature neck orange outside park peaking plumage pond reeds reflection rushes solitary standing tame training UP watching waterbird waterfowl webbed white wildfowl wildlife wing aggressive Australian birds cascading chroicocephalus-novaehollandiae city colors colours common cool cooling edge edges edging flow flowing fountain gray-and-white grey-and-white gulls Larus-novaehollandiae levels light multi-level Noisy prolific reflecting ripples rippling scavengers screeching seabirds seagulls silver-gull splashing wading waiting water waterbirds avian bill brown carnivorous creature eagle eating Eurasian european eye falconry flight fly head horned hunt hunter night nocturnal ornithological owl perched portrait pray predator predatory prey raptor staring symbol talons tree wild wilderness wings wisdom wise breeze feathered huddled path pavement paving resting river river's-edge riverside ruffled ruffling wind air animals blue bright clouds flying freedom peace sea seagull shore sky background breadcrumbs buff Camouflage camouflaged climate-tolerant common-pest contrast dark ever-expanding populations house sparrows insect-eaters introduced-species Matthew 10:29 mottled Old-World-sparrows passer domesticus passerine-birds pest plump powerful-beaks seed-eaters small social sparrow sparrows textures true-sparrows two-a-penny worldwide-distribution determined focus ostrich stare