Ключевые слова: ardea, ardea purpurea, bird, bitterns, blue, breeding, breeding plumage, common, common birds, eat, eating, egret, egret with fish, fish eaters, fish eating birds, food, food chain, food cycle, goa, great, green, green beaks, heron, heron with fish, hunting, india, indian, intermediate, lake, life cycle, little egret, little heron, migrating, nature, plumage, prey, river, tropical, tropical birds, wading, water, water bird, white,