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原標(biāo)題：天下第一社区视频welcome

　　潘??(pan)晟??(sheng)昱??(yu)亦??(yi)指??(zhi)出??(chu)??，觀??(guan)察??(cha)發(fā)??(fa)現(xiàn)??(xian)候??(hou)鳥??(niao)北??(bei)遷?(qian)時(shí)??(shi)間??(jian)出??(chu)現(xiàn)??(xian)提??(ti)前??(qian)現(xiàn)??(xian)象??(xiang)??，抵??(di)達(dá)??(da)過(guò)??(guo)早?(zao)可??(ke)能??(neng)遭??(zao)遇??(yu)“倒??(dao)春??(chun)寒??(han)”??，導(dǎo)??(dao)致?(zhi)食??(shi)物??(wu)短??(duan)缺??(que)和?(he)雛??(chu)鳥?(niao)凍??(dong)亡??(wang)??。??因??(yin)此??(ci)??，每?(mei)年?(nian)遷??(qian)徙?(xi)季??(ji)的??(de)觀?(guan)測(cè)??(ce)和??(he)護(hù)??(hu)飛??(fei)工??(gong)作??(zuo)變?(bian)得??(de)更?(geng)加??(jia)重??(zhong)要??(yao)??，目??(mu)前?(qian)吉??(ji)林??(lin)各??(ge)處??(chu)濕??(shi)地??(di)都??(dou)有??(you)巡??(xun)護(hù)??(hu)隊(duì)??(dui)伍??(wu)??，為??(wei)候??(hou)鳥??(niao)構(gòu)??(gou)筑??(zhu)安??(an)全??(quan)遷??(qian)徙??(xi)保??(bao)障??(zhang)網(wǎng)??(wang)??。(完??(wan))　　潘??(pan)晟??(sheng)昱??(yu)亦??(yi)指??(zhi)出??(chu)??，觀??(guan)察??(cha)發(fā)??(fa)現(xiàn)??(xian)候??(hou)鳥??(niao)北??(bei)遷?(qian)時(shí)??(shi)間??(jian)出??(chu)現(xiàn)??(xian)提??(ti)前??(qian)現(xiàn)??(xian)象?(xiang)??，抵??(di)達(dá)??(da)過(guò)??(guo)早??(zao)可??(ke)能??(neng)遭??(zao)遇??(yu)“倒??(dao)春?(chun)寒??(han)”??，導(dǎo)??(dao)致??(zhi)食?(shi)物??(wu)短??(duan)缺??(que)和??(he)雛??(chu)鳥?(niao)凍??(dong)亡??(wang)??。??因??(yin)此?(ci)??，每?(mei)年??(nian)遷??(qian)徙??(xi)季??(ji)的??(de)觀??(guan)測(cè)?(ce)和??(he)護(hù)??(hu)飛??(fei)工??(gong)作??(zuo)變?(bian)得??(de)更??(geng)加??(jia)重??(zhong)要??(yao)??，目??(mu)前??(qian)吉??(ji)林??(lin)各??(ge)處??(chu)濕?(shi)地??(di)都??(dou)有??(you)巡??(xun)護(hù)??(hu)隊(duì)??(dui)伍??(wu)??，為??(wei)候??(hou)鳥?(niao)構(gòu)??(gou)筑??(zhu)安?(an)全?(quan)遷??(qian)徙??(xi)保??(bao)障??(zhang)網(wǎng)??(wang)??。(完??(wan))。