the passenger pigeon was once the most abundant bird in north america.
旅鸽曾经是北美数量最多的鸟类。
martha, the last known passenger pigeon, died in the cincinnati zoo.
最后一只已知的旅鸽玛莎死于辛辛那提动物园。
hunters killed passenger pigeons in huge numbers for cheap meat.
猎人们大量捕杀旅鸽以获取廉价肉食。
the extinction of the passenger pigeon is a classic example of human impact.
旅鸽的灭绝是人类造成影响的典型例子。
massive flocks of passenger pigeons would darken the sky for days.
巨大的旅鸽群会使天空变黑长达数日。
deforestation destroyed the passenger pigeon's primary breeding grounds.
森林砍伐破坏了旅鸽的主要繁殖地。
scientists are attempting to bring back the passenger pigeon using dna.
科学家正在尝试利用dna使旅鸽复生。
the passenger pigeon population declined rapidly in the late 19th century.
19世纪末，旅鸽的数量迅速减少。
conservationists use the story of the passenger pigeon as a warning.
环保主义者用旅鸽的故事作为警示。
nothing remains of the passenger pigeon except for museum specimens.
除了博物馆的标本外，旅鸽什么也没留下。
technically, the bird known as the passenger pigeon is the wild pigeon.
严格来说，被称为旅鸽的这种鸟就是野鸽。
the relentless slaughter of the passenger pigeon caused its demise.
对旅鸽的无情屠杀导致了它的灭亡。
the passenger pigeon was once the most abundant bird in north america.
旅鸽曾经是北美数量最多的鸟类。
martha, the last known passenger pigeon, died in the cincinnati zoo.
最后一只已知的旅鸽玛莎死于辛辛那提动物园。
hunters killed passenger pigeons in huge numbers for cheap meat.
猎人们大量捕杀旅鸽以获取廉价肉食。
the extinction of the passenger pigeon is a classic example of human impact.
旅鸽的灭绝是人类造成影响的典型例子。
massive flocks of passenger pigeons would darken the sky for days.
巨大的旅鸽群会使天空变黑长达数日。
deforestation destroyed the passenger pigeon's primary breeding grounds.
森林砍伐破坏了旅鸽的主要繁殖地。
scientists are attempting to bring back the passenger pigeon using dna.
科学家正在尝试利用dna使旅鸽复生。
the passenger pigeon population declined rapidly in the late 19th century.
19世纪末，旅鸽的数量迅速减少。
conservationists use the story of the passenger pigeon as a warning.
环保主义者用旅鸽的故事作为警示。
nothing remains of the passenger pigeon except for museum specimens.
除了博物馆的标本外，旅鸽什么也没留下。
technically, the bird known as the passenger pigeon is the wild pigeon.
严格来说，被称为旅鸽的这种鸟就是野鸽。
the relentless slaughter of the passenger pigeon caused its demise.
对旅鸽的无情屠杀导致了它的灭亡。
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