bird birding birds feathers India Kentish Plover krayker ruffle feathers ruffled aggressive alert black brown colorful colourful common hungry Indian introduced species mature mother myna birds Noisy plumage roadside ruffled feathers street watchful yellow young Australian black cockatoo Carnaby black cockatoo cockatoo endangered large protected short-billed threatened Western Australian white cheek patches white tail panels curious inquisitive javan Myna mynah precocious widespread breeze chroicocephalus-novaehollandiae colors colours cool cooling edge edges edging feathered flow flowing gray-and-white grey-and-white gulls huddled Larus-novaehollandiae path pavement paving prolific reflecting resting ripples rippling river river's-edge riverside ruffling scavengers screeching seabirds seagulls silver-gull standing waiting watching water waterbirds wind Ardea-picata Australia colored coloured crest crested egret fauna Heron long-legged Pied Egret Pied-Heron raised sleek wader wading-bird water-bird wetlands-bird White-headed-Egret wildlife beach gull ocean sea sunset loon nature anhinga pond Stump white