The scarlet ibis, like the flamingo, gains its vibrant color from carotene derived from a diet of crustaceans.
红鹮和火烈鸟一样，吃一些甲壳类动物，在体内生成胡萝卜素，就形成了它鲜艳的颜色。
2
The deep sea typically has a sparse fauna dominated by tiny worms and crustaceans, with an even sparser distribution of larger animals.
深海通常有稀疏的动物群，以微小的蠕虫和甲壳类动物为主，更大的动物分布更少。
3
The rivers feed into the Bering Sea and Gulf of Alaska — cold, nutrient-rich waters which support tens of millions of seabirds, and over 400 species of fish, shellfish, crustaceans, and mollusks.