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<blockquote data-quote="KJ" data-source="post: 69092" data-attributes="member: 1">Sparrows were suspected of consuming approximately four kilogrammes of grain per sparrow per year.<a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-:0-2" target="_blank">[2]</a> Sparrow nests were destroyed, eggs were broken, and chicks were killed. Millions of people organized into groups, and hit noisy pots and pans to prevent sparrows from resting in their nests, with the goal of causing them to drop dead from exhaustion.<a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-:0-2" target="_blank">[2]</a><a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-3" target="_blank">[3]</a> In addition to these tactics, citizens also simply shot the birds down from the sky.<a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-Dvorsky-4" target="_blank">[4]</a> The campaign depleted the sparrow population, pushing it to near extinction.<a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-Dvorsky-4" target="_blank">[4]</a>Some sparrows found a <a href="https://en.wikipedia.org/wiki/Refuge_(ecology)" target="_blank">refuge</a> in the <a href="https://en.wikipedia.org/wiki/Extraterritoriality" target="_blank">extraterritorial</a> premises of various <a href="https://en.wikipedia.org/wiki/Diplomatic_mission" target="_blank">diplomatic missions</a> in China. The personnel of the <a href="https://en.wikipedia.org/wiki/Embassy_of_Poland,_Beijing" target="_blank">Polish embassy in Beijing</a> denied the Chinese request of entering the premises of the embassy to scare away the sparrows who were hiding there and as a result the embassy was surrounded by people with drums. After two days of constant drumming, the <a href="https://en.wikipedia.org/wiki/Polish_people" target="_blank">Poles</a> had to use shovels to clear the embassy of dead sparrows.<a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-5" target="_blank">[5]</a>By April 1960, Chinese leaders changed their opinion in part due to the influence of <a href="https://en.wikipedia.org/wiki/Ornithologist" target="_blank">ornithologist</a> <a href="https://en.wikipedia.org/wiki/Tso-hsin_Cheng" target="_blank">Tso-hsin Cheng</a><a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-nowak-6" target="_blank">[6]</a> who pointed out that sparrows ate a large number of insects, as well as grains.<a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-Shapiro-7" target="_blank">[7]</a><a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-McCarthy-8" target="_blank">[8]</a> While the campaign was meant to increase yields, concurrent droughts and floods as well as the lacking sparrow population decreased rice yields.<a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-McCarthy-8" target="_blank">[8]</a><a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-Summers-9" target="_blank">[9]</a> In the same month, <a href="https://en.wikipedia.org/wiki/Mao_Zedong" target="_blank">Mao Zedong</a> ordered the campaign against sparrows to end. Sparrows were replaced with <a href="https://en.wikipedia.org/wiki/Bed_bug_(insect)" target="_blank">bed bugs</a>, as the extermination of sparrows had upset the ecological balance, which subsequently resulted in surging locust and insect populations that destroyed crops due to a lack of a natural predator.<a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-10" target="_blank">[10]</a><a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-11" target="_blank">[11]</a>With no sparrows to eat them, <a href="https://en.wikipedia.org/wiki/Locust" target="_blank">locust</a> populations ballooned, swarming the country and compounding the ecological problems already caused by the <a href="https://en.wikipedia.org/wiki/Great_Leap_Forward" target="_blank">Great Leap Forward</a>, including widespread deforestation and misuse of poisons and pesticides.<a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-Summers-9" target="_blank">[9]</a> Ecological imbalance is credited with exacerbating the <a href="https://en.wikipedia.org/wiki/Great_Chinese_Famine" target="_blank">Great Chinese Famine</a>.<a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-12" target="_blank">[12]</a><a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-13" target="_blank">[13]</a> The Chinese government eventually resorted to importing 250,000 sparrows from the <a href="https://en.wikipedia.org/wiki/Soviet_Union" target="_blank">Soviet Union</a> to replenish their population.<a href="https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-Pantsov-14" target="_blank">[14]</a></blockquote>

[QUOTE="KJ, post: 69092, member: 1"] Sparrows were suspected of consuming approximately four kilogrammes of grain per sparrow per year.[URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-:0-2'][2][/URL] Sparrow nests were destroyed, eggs were broken, and chicks were killed. Millions of people organized into groups, and hit noisy pots and pans to prevent sparrows from resting in their nests, with the goal of causing them to drop dead from exhaustion.[URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-:0-2'][2][/URL][URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-3'][3][/URL] In addition to these tactics, citizens also simply shot the birds down from the sky.[URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-Dvorsky-4'][4][/URL] The campaign depleted the sparrow population, pushing it to near extinction.[URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-Dvorsky-4'][4][/URL] Some sparrows found a [URL='https://en.wikipedia.org/wiki/Refuge_(ecology)']refuge[/URL] in the [URL='https://en.wikipedia.org/wiki/Extraterritoriality']extraterritorial[/URL] premises of various [URL='https://en.wikipedia.org/wiki/Diplomatic_mission']diplomatic missions[/URL] in China. The personnel of the [URL='https://en.wikipedia.org/wiki/Embassy_of_Poland,_Beijing']Polish embassy in Beijing[/URL] denied the Chinese request of entering the premises of the embassy to scare away the sparrows who were hiding there and as a result the embassy was surrounded by people with drums. [B]After two days of constant drumming, the [URL='https://en.wikipedia.org/wiki/Polish_people']Poles[/URL] had to use shovels to clear the embassy of dead sparrows.[/B][URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-5'][B][5][/B][/URL] By April 1960, Chinese leaders changed their opinion in part due to the influence of [URL='https://en.wikipedia.org/wiki/Ornithologist']ornithologist[/URL] [URL='https://en.wikipedia.org/wiki/Tso-hsin_Cheng']Tso-hsin Cheng[/URL][URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-nowak-6'][6][/URL] who pointed out that sparrows ate a large number of insects, as well as grains.[URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-Shapiro-7'][7][/URL][URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-McCarthy-8'][8][/URL] While the campaign was meant to increase yields, concurrent droughts and floods as well as the lacking sparrow population decreased rice yields.[URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-McCarthy-8'][8][/URL][URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-Summers-9'][9][/URL] In the same month, [URL='https://en.wikipedia.org/wiki/Mao_Zedong']Mao Zedong[/URL] ordered the campaign against sparrows to end. Sparrows were replaced with [URL='https://en.wikipedia.org/wiki/Bed_bug_(insect)']bed bugs[/URL], as the extermination of sparrows had upset the ecological balance, which subsequently resulted in surging locust and insect populations that destroyed crops due to a lack of a natural predator.[URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-10'][10][/URL][URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-11'][11][/URL] With no sparrows to eat them, [URL='https://en.wikipedia.org/wiki/Locust']locust[/URL] populations ballooned, swarming the country and compounding the ecological problems already caused by the [URL='https://en.wikipedia.org/wiki/Great_Leap_Forward']Great Leap Forward[/URL], including widespread deforestation and misuse of poisons and pesticides.[URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-Summers-9'][9][/URL] Ecological imbalance is credited with exacerbating the [URL='https://en.wikipedia.org/wiki/Great_Chinese_Famine']Great Chinese Famine[/URL].[URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-12'][12][/URL][URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-13'][13][/URL] The Chinese government eventually resorted to importing 250,000 sparrows from the [URL='https://en.wikipedia.org/wiki/Soviet_Union']Soviet Union[/URL] to replenish their population.[URL='https://en.wikipedia.org/wiki/Four_Pests_campaign#cite_note-Pantsov-14'][14][/URL] [/QUOTE]

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