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Flying demands enormous skill and effort,
飞行需要极大的技巧和力气
and nowhere is that more evident than here,
在秘鲁安第斯山脉的小丘陵这里
in the foothills of the Peruvian Andes.
这一点看得最清楚
This female hummingbird hovers
这只雌蜂鸟在寻找花蜜
with precision in her quest for nectar.
精准无误的盘旋着
Her wing and tail design allow her to fly in any direction.
凭翅膀和尾巴的设计 它能飞向四面八方
But the male has a real problem flying.
但是雄蜂鸟实在飞不起来
And this is why
原因就在这儿
he's weighed down with two super-long tail feathers,
它被两根超长的尾羽拖累
tipped with cumbersome discs.
尾羽末梢是笨重的圆盘
This is the marvellous spatuletail hummingbird.
这是令人惊艳的叉拍尾蜂鸟
and these are his flags with which to seduce a mate.
这些是它用来引诱伴侣的旗帜
Waving them back and forth takes a lot of effort,
即使它安然的栖息在树上 来回摆荡这两根羽毛
even from the comfort of his perch,
也得花不少力气
but to win her heart he's got to go up a gear.
但要赢得雌鸟的心 它非加把劲不可
