Buchenauer D, Fritsch B
Z Tierpsychol. 1980;53(3):225-30.
Tests on male goats were designed to determine their capacity for colour vision. The colours yellow, orange, blue, violet and green were tested against gray nuances of like brightness. Goats were found to be able to distinguish between colours and gray nuances. The rate of errors increased in the order: orange, green, red, yellow, violet, blue.
对雄山羊进行了测试,以确定它们的色觉能力。将黄色、橙色、蓝色、紫色和绿色与亮度相似的灰色色调进行测试。发现山羊能够区分颜色和灰色色调。错误率按以下顺序增加:橙色、绿色、红色、黄色、紫色、蓝色。