The researchers took advantage of periods when the nest was empty to attach colored bands to the feet of each of the fledglings: orange for the eldest, a male; purple for the second eldest, also a male; and red for the youngest, a female who became known as "Little Red."
研究人員趁著鳥爸爸媽媽出門，為老大掛上橘色腳環，取名大寶，戴紫色腳環的老二就是二寶了，最後破殼而出的麼妹，繫上紅腳環，就名小紅吧！