beak bird black-bill black-crown bright-eyed cinnamon colored coloring colors coloured colouring colours fauna head-plumes Heron long-yellow-legs Nankeen-night-heron nocturnal nuptial-plumes nycticorax-caledonicus omnivore omnivorous perched plumage plumes rufous-night-heron secretive sharp sharp-eyed shy stocky waterbird widespread wildlife adaptable appearance black-capped bright crest crested crested-tern diver diving fish-catcher freshwater greater-crested-tern perching plunge-diving river riverside saltwater seabird sunlight sunshine swift-tern tern thalasseus-bergii water-bird yellow-billed bill birding birds birdwatch black blue branch brood parasite bush Cluster fig Cuckoo Cuculiformes Eudynamys scolopaceus feathers fig forage frugivorous fruit fruits greenery India indian cuckoo karnataka Koel lush green Mangalore monsoon nature plants rainy season red tree Australian-white-ibis bare-black-head color colour common competitive downcurved-bill fairly-large ibis ibis-family odor odorous odour pest pesty strong-smell threskiornis-moluccus urban wader wading-bird white-plumage animals Incredible India black bill black crown bright eyed cleaning head plumes long white head plumes long yellow legs Nankeen night heron nuptial plumes nycticorax caledonicus rufous night heron sharp eyed grooming preening