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The chicks are just a few weeks old and growing fast.
小魚鷹只有幾周大小，但是長得飛快。
In another month or so, they must learn to fly.
大約一個月以后，它們就得學會飛。
Then they'll set off alone on a 7,000-kilometer journey to Africa, their first migration.
然后它們將獨自出發開始七千公里的旅程，飛往非洲也是它們的第一次遷徙。
They must leave before the fish they need are locked beneath the ice.
它們得趕在賴以生存的魚被封在冰下之前離開。
If their father doesn't provide enough food, they won't be strong enough to go the distance.
如果爸爸不能帶回足夠多的食物，它們就沒有足夠的力氣飛那么遠。
He needs to catch up to 8 fish each day to support his family.
它每天要捉八條魚才能維持生計。
It's such a short growing season that the pressure is constant for both parents.
生長季節非常短暫，所以雙親承受著不斷的壓力。
While he hunts, she feeds the chicks and guards the nest.
爸爸捕獵時，媽媽則要給幼雛喂食還要保衛巢穴。
He's perfectly equipped for the job.
爸爸的裝備完全勝任這一工作。
A third eyelid acts like built-in goggles for clear underwater vision.
第三付眼瞼就像是內置的護目鏡，在水下也會有清晰的視線。
Speed, angle and depth are calculated instinctively.
對速度、角度和深度的把握靠的是直覺。
His wings stretch a meter and a half.
它的翅膀展開來有一米半長。
Ultra-flexible shoulder joints, powerful shoulder muscles complete his fishing gear.
超靈活的肩關節和強力的肩部肌肉使它的捕魚裝備更完美。
Once the ferocious talons lock on to a fish, they won't release until the Osprey lands.
一旦它兇猛的雙爪抓住了魚，直到降落都不會松開。
