They can glide past eddies that would slow them down and then gain extra thrust by "pushing off" the eddies.
它们可以滑过使它们减速的涡流，然后通过“推开”涡流获得额外的推力。
I have this theory that, to us the world is a flat thing we stand on, but to birds it is a cliff they cling to, a huge ball and they cling to the side and then fall off and fly and glide.
我有一种想法，就是对我们来说世界是一个我们所站立的平坦的东西，而对鸟来说是一个它们所依靠的峭壁，一个巨大的球，它们依靠在边上，然后离开、飞翔、滑行。
They can glide up to 200m and in the wild they would take off from tree tops.
它们的滑翔距离可以到200米，在野外会从树顶上起飞。
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