background birds breadcrumbs brown buff Camouflage camouflaged climate-tolerant common common-pest contrast dark ever-expanding populations fauna gray grey house sparrows insect-eaters introduced-species Matthew 10:29 mottled Old-World-sparrows passer domesticus passerine-birds pest plump powerful-beaks prolific seed-eaters small social sparrow sparrows textures true-sparrows two-a-penny worldwide-distribution appearance appearances beans beetroot broccoli color colored colorful colors colour coloured colourful colours cooked cooked-food cooked-meal Dinner eating edible flavored flavors flavoured flavours florets food greens mashed meal mixed mixture multicolored-meal multicoloured-meal mushroom orange rice savory savory-rice savoury savoury-rice taste tasty texture tomato tomatoes variations variety vegetables above aerial-balloon angled angles apartment-blocks architecture backgrounds balloon below buildings cityscape condominiums flats flight-operation gondola height helium helium-balloon high high-rise modern motion movement multi-storey multi-story perspectives roofing roofs rooftops rooves safe safety scene scenery scenic secure secured shape shapes sights sightseeing Singapore skyline streets traffic views