When the young wrens heard that, they were frightfully angry, and screamed, "No, that we are not!"
小山雀听到这话，非常生气，尖叫道：“不，我们不是！”
That's the sound of butcher-birds, which prey on splendid wrens.
这是屠夫鸟的声音，它们会捕食这种美丽的鹩莺。
Every time male wrens hear that cry, they sing this in response [wren sound].
每当雄性鹩莺听到屠夫鸟的啼叫，它们就会这样回应[鹩莺的声音]。
What's more, there are no obvious differences in male wrens' singing behavior based on other physical traits such as health and color.
而且，健康状况、羽毛颜色等特征不同的雄性鹩莺，在鸣叫这种行为上也没有太大区别。
But Greig says that the wrens might not be in any real danger; when the butcherbird is singing it's probably not interested in hunting.
但格雷格说鹩莺也许并不是真的处于危险中，伯劳鸟鸣叫的时候可能正无心打猎。
Canyon wrens sing loudly within Black Canyon.
峡谷鹪鹩在黑峡谷内唱响。
Bright blue male splendid fairy-wrens, instead of fleeing in the face of danger, sing a distinctive song when a butcherbird is in the area.
当伯劳鸟出现时，亮蓝色的雄性壮丽细尾鹩莺面对危险不会逃离，而是发出一种特有的鸣叫。
The scientists identified 'urban adapters' as crows, wrens and tits which all come from the same family and all have larger brains compared to their bodies.
科学家们发现，像乌鸦、鹪鹩和山雀等同科的“城市生活适应者”，它们都有着和自身体型相比更大的大脑。
A wren: Researchers identified 'urban adapters' as crows, wrens and tits which all come from the same family and all have larger brains compared to their bodies.
一只鹪鹩：研究者们发现，像乌鸦、鹪鹩和山雀等同科的“城市生活适应者”，它们都有着和自身体型相比更大的大脑。
Wrens sputter around on the ravine rocks and broken crockery from the old rabbit hutches.
鹪鹩鸟在溪谷边的岩石上，或旧兔圈里的破瓦罐边叫不停。
Wrens sputter around on the ravine rocks and broken crockery from the old rabbit hutches.
鹪鹩鸟在溪谷边的岩石上，或旧兔圈里的破瓦罐边叫不停。
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