The early bird really does catch the worm… but he saves it for dinner.
早起的鸟儿真的是在捉虫,但却在晚上才吃掉。
Blue tits, great tits and other small garden birds scout for food in the morning but only return to eat it in the late afternoon, a study found.
研究发现,蓝山雀、大山雀和其他花园鸟类在早上找食,但只在临近傍晚的时候才吃掉。
The Oxford University researchers believe the strategy allows them to stock up on food while avoiding the clutches of predators.
牛津大学的研究人员认为,鸟类用这种方式来囤积食物,同时也为了免于被猎食动物吃掉。
A full belly in the morning would slow them down in the hunt for food and make them easy prey.
要是早上吃饱了的话,在找食的时候飞得慢,容易被猎食动物吃掉。
So they search out food when lean and lithe and then dine in the evening to ensure they have a big enough store of fat to survive through the night.
所以鸟类趁身子轻盈的时候,在早上出去寻找食物,却在晚上吃掉,这样能保证体内存储大量脂肪来过夜。
The ‘early bird’ strategy was revealed in an experiment in which over 2,000 birds were fitted with tiny radio tags which activated when they landed on feeders hidden in Wytham Woods, near Oxford.
针对超过2000只鸟的实验揭示了这种“早起鸟” 捕食策略方式,试验中给鸟儿安装了微型无线电标签,把喂食器藏在牛津附近的威萨姆森林里,鸟儿只要落在喂食器上微型无线电标签就会被激活。
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