translation.en: The term is owed to Niko Tinbergen, who did his famous experiments with gulls, where he found that that orange spot on the gull’s beak -- if he made a bigger, oranger spot the gull chicks would peck at it even harder.
translation.zh: 这个词是尼古拉斯·丁伯根提出来的。 他做了他出名的海鸥实验 他发现了海鸥喙上的橘点—— 如果他把这个点放大，染得更橘 那么小海鸥就会更猛烈地啄它。