Ramayana
तस्यारण्यस्य मध्ये तु सरो योजनमायतम् । हंसकारण्डवाकीर्णं चक्रवाकोपशोभितम् ॥ 7-77-4 ॥
In the midst of that forest there was a lake a yojana in extent, thronged with swans and karandava ducks and graced by chakravaka birds.
english translation