Analysis of information sources in references of the Wikipedia article "Demoiselle crane" in English language version.
The smallest member of the crane family, the demoiselle crane (Anthropoides virgo) is a distinctive looking bird, with ashy grey ... The local name for this crane — koonj — is onomatopoeic, deriving from the Sanskrit 'kraunch', the origin of the word crane itself
kunj: more properly koonj is a demoiselle crane. The word is used metaphorically for a young bride far from her home
Valmiki saw a pair of kraunch (cranes) birds making love. Suddenly, a hunter killed the male kraunch with an arrow. Valmiki was moved by the cries of the female ... Valmiki's pain was expressed through a shloka ... The first man-composed meter
The second day: Two kraunchas ... Yudhishtira decides to form his legions in the vyuha called the krauncha, after the crane