Is there an ornithological reason for keeping them in separate cages?
用独立的笼子养鸟,有什么鸟类学的原因 吗 ?
电影对白
Mere amateurs in 2009 will make ornithological history in China by discovering birds unknown to science.
在即将来临的2009年里,中国鸟类学史大概会由不打眼的业余人士通过发现未知的鸟类而刷新.
互联网
As recently reported in The Auk: ornithological advances, some mother birds may teach their young to sing even before they hatch?
"her ornithological interests"
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