Jays are not the first birds to show that they might have the capacity for what is known as "mental time travel".

在可能拥有所谓的“心理时间旅行”的能力的鸟类方面，松鸦没有最先表露。

youdao

Yet the split between Ornithischia and Saurischia goes back to the very beginning of the dinosaurs, 80m years before the first birds and about 100m years before T. confuciusi.

现在，鸟笼类和蜥龙类的进化分离要回溯到恐龙诞生的最初期，也就是在鸟类出现的8亿年前和在孔子天宇龙出现的大约100年。

youdao

Accurate identification of birds is usually the first goal.

首要目标通常是能准确地识别鸟类。

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The idea that dinosaurs and birds were somehow related first was reported in the nineteenth century.

VOA: special.2010.06.04

The first glimmer of his potential came in 2007 at the challenging Birds of Prey downhill in Beaver Creek,Colorado.

VOA: standard.2010.02.09

Fourgeaud is not the first Angry Birds manager to fly the coop.

FORBES: Another Angry Birds Manager Flies The Nest

He said the release of four pairs was the first time the birds had been introduced into the wild in central Bali.

BBC: Chester Zoo helps Bali starling release project

And in record time, too -- the first Angry Birds landed on Apple's iOS App Store in December 2009, less than three years ago, and has since become an international sensation.

ENGADGET: Angry Birds sequel 'Bad Piggies' launches tomorrow, we go hands-on