A Complete Collection of 100000 Whys
Fav十万个为什么
为什么火烈鸟羽毛会从白色变粉红？
简单的摘要：火烈鸟羽毛从白色变粉红主要是因为其特殊的捕食习性、虾体内的类胡萝卜素以及类胡萝卜素在火烈鸟体内的沉积。
1、特殊的捕食习性：火烈鸟以小型甲壳类动物为主要食物，特别是盐水虾。这些虾体内富含类胡萝卜素，火烈鸟在食用后，类胡萝卜素在其体内积累。
2、虾体内的类胡萝卜素：盐水虾等甲壳类动物摄入了含有类胡萝卜素的藻类，这些类胡萝卜素在虾体内转化为虾青素等色素，使虾呈现出红色或橙色。
3、类胡萝卜素在火烈鸟体内的沉积：火烈鸟消化系统无法完全分解类胡萝卜素，这些色素沉积在火烈鸟的羽毛中，导致羽毛逐渐从白色变为粉红色。
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