To ensure germination, many seeds and unripe fruits contain toxins to keep animals at bay, What’s a seed- and fruit-eating macaw to do? Well, it could eat some dirt! Rich sediment is carried down the Andes by the Amazon river and deposited on its banks.
笑翠鸟是体型最大的翠鸟,不过它主要还是捕食体型小的爬行动物、啮齿类动物和昆虫。
在所有红鹤物种中,当属美洲红鹤的羽毛最鲜艳夺目。
These birds forage in flocks of 40 or more, looking through leaf litter on the ground, or flitting from one leafy branch to another in bushes and trees, gleaning for insects.