Ключевые слова: animal, animals, asia, avian, bharatpur, biodiversity, biosphere, bird, bird watch, bird watching, birding, birds, branch, branches, bulbul, bulbuls, color, colors, colour, colours, fauna, india, keoladeo ghana, life, national park, natural, nature, ornithology, pair, pairs, passerine, passerines, perch, perched, pycnonotus cafer, rajasthan, redvented bulbul, redvented bulbuls, species, two, vertebrate, vertebrates, wild, wildlife, zoology,