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　　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??(shi)間??(jian)出??(chu)現(xiàn)??(xian)提??(ti)前??(qian)現(xiàn)?(xian)象??(xiang)??，抵??(di)達??(da)過??(guo)早??(zao)可??(ke)能??(neng)遭??(zao)遇??(yu)“倒??(dao)春??(chun)寒?(han)”??，導??(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??(ce)和??(he)護??(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??(hu)隊??(dui)伍??(wu)??，為??(wei)候??(hou)鳥??(niao)構??(gou)筑??(zhu)安??(an)全??(quan)遷??(qian)徙??(xi)保??(bao)障??(zhang)網(wǎng)??(wang)??。(完??(wan))　　在??(zai)東??(dong)部??(bu)的??(de)琿??(hun)春??(chun)敬??(jing)信??(xin)濕??(shi)地??(di)??，雁??(yan)群?(qun)蔽??(bi)日??(ri)??。??對??(dui)棲?(qi)息?(xi)環(huán)??(huan)境??(jing)極??(ji)為??(wei)挑??(tiao)剔??(ti)的??(de)白??(bai)尾??(wei)海?(hai)雕??(diao)、虎??(hu)頭??(tou)海??(hai)雕??(diao)等?(deng)猛??(meng)禽?(qin)也??(ye)結??(jie)隊??(dui)到??(dao)來??(lai)??，它??(ta)們??(men)在??(zai)冰??(bing)面??(mian)踱??(duo)步??(bu)、起??(qi)舞??(wu)??，上??(shang)演??(yan)奪?(duo)食??(shi)大??(da)戰(zhàn)??(zhan)??，難??(nan)得??(de)一??(yi)見??(jian)的??(de)精秘(jing)彩??(cai)瞬??(shun)間??(jian)被??(bei)堅??(jian)守?(shou)在??(zai)此??(ci)的??(de)中??(zhong)外??(wai)攝??(she)影??(ying)師??(shi)記??(ji)錄??(lu)下??(xia)來??(lai)??。。