20201119 巢穴中的栗嘴巨嘴鸟 必应壁纸

栗嘴巨嘴鸟 巢穴中的栗嘴巨嘴鸟 今天我们要去哥斯达黎加，这只栗嘴巨嘴鸟正在树洞里筑巢。这是哥斯达黎加最大的栗嘴巨嘴鸟，很难找到一个合适的空间，因此交配对通常会使用一个废弃的啄木鸟巢或在一棵树腐烂的部分找到一个大洞。这个看起来很完美-合身。那个雌鸟会下两到四个蛋，然后雌雄轮流孵化，直到两周后小鸡孵化。不，刚出生的小鸡没有那些巨大的钞票，它们天生就瞎了，光着身子，有着短的钞票，当它们分享这个小空间的时候，必须让它们的父母高兴。大约6周后，雏鸟会自己进入森林，用喙尖摘水果，有时会把水果抛到空中，让它掉到喉咙里。

原文:

Today we're visiting Costa Rica, where this magnificent chestnut-mandibled toucan is fashioning a nest in the cavity of a tree. It can be hard to find a suitable space for this, the largest toucan in Costa Rica, so mating pairs will often use an abandoned woodpecker's nest or find a large hole in a decaying part of a tree. This one seems perfectly form-fitting.The female will lay two to four eggs and then both sexes will take turns incubating them until the chicks hatch 2 weeks later. And no, the newborn chicks don't have those ginormous bills—they're born blind and naked, with short bills—something that must please their parents while they share this small space. After about 6 weeks, the fledglings will make their own way into the forest, plucking fruit with the tips of their bills, sometimes tossing it into the air and letting it fall into their throats.

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