河北等多地天空现密集鸟群，网友担心是灾害预兆，当地称未收到相关预警，专家解读

\u003cdiv class=\"rich_media_content\"\u003e\u003c!--NO_AD_ERROR_2--\u003e\u003c!--VIDEO_0--\u003e\u003cspan style=\"text-align: center;font-size: 13px;color: rgb(136, 136, 136); line-height: 14px;margin-bottom: 22px;margin-top: 8px; display: block;\"\u003e\u003c!--NO_READ_BEGIN--\u003e河北等地天空现密集鸟群，网友担心是灾害预兆，当地：未收到相关预警，专家：湖南常见\u003c!--NO_READ_END--\u003e\u003c/span\u003e\u003cp\u003e近日，河北、河南、四川等多地天空出现密集鸟群引发关注。相关视频显示，鸟群成千上万、颇为密集地飞过。有网友表示这是鸟类迁徙，年年都有，也有人担心，这是否是自然灾害的征兆。\u003c/p\u003e\u003cp style=\"max-width: 100%\" data-exeditor-arbitrary-box=\"image-box\"\u003e\u003c!--IMG_0--\u003e\u003c/p\u003e\u003cp style=\"max-width: 100%\" data-exeditor-arbitrary-box=\"image-box\"\u003e\u003c!--IMG_1--\u003e\u003c/p\u003e\u003cp\u003e多名网友发布的视频显示，此类现象的有河北张家口、大同，河南，成都等，鸟群疑似是乌鸦。10月19日，潇湘晨报记者致电张家口市应急局，工作人员表示，他们并没有接到自然灾害的预警。至于这些鸟群的情况，则不清楚。\u003c!--NO_AD_0--\u003e\u003c!--EOP_0--\u003e\u003c/p\u003e\u003c!--PARAGRAPH_0--\u003e\u003cp\u003e随后，河北蔚县应急局工作人员告诉记者，他们也没收到相关自然灾害的预警。不过往年见过有候鸟迁徙时，会大量成群从当地飞过，“到了秋天\u003c!--SECURE_LINK_BEGIN_0--\u003e大雁\u003c!--SECURE_LINK_END_0--\u003e等候鸟从北方南飞，成群结队很多的。”\u003c/p\u003e\u003cp style=\"max-width: 100%\" data-exeditor-arbitrary-box=\"image-box\"\u003e\u003c!--IMG_2--\u003e\u003c/p\u003e\u003cp\u003e10月19日，湖南省林业科学院研究员牛艳东告诉潇湘晨报记者，从视频中难以分辨出具体鸟类，不过类似鸟类集群现象在湖南比较常见，“我们在湖南见过很多，不是什么灾害的预兆。”\u003c/p\u003e\u003cp style=\"max-width: 100%\" data-exeditor-arbitrary-box=\"image-box\"\u003e\u003c!--IMG_3--\u003e\u003c/p\u003e\u003cp\u003e牛艳东介绍，鸟类集群现象的原因有觅食、迁徙等，比如在长沙，每到11月左右，香樟树果子成熟，以其为食物的\u003c!--SECURE_LINK_BEGIN_1--\u003e丝光椋鸟\u003c!--SECURE_LINK_END_1--\u003e就会大量集群去觅食，“成千上万，在一些绿化较好的小区就会看到。”\u003c!--NO_AD_1--\u003e\u003c!--EOP_1--\u003e\u003c/p\u003e\u003c!--PARAGRAPH_1--\u003e\u003cp\u003e潇湘晨报记者於广强\u003cbr/\u003e\u003c/p\u003e\u003cp\u003e报料、维权通道：应用市场下载“晨视频”客户端，搜索“报料”一键直达；或拨打热线0731-85571188。如需内容合作，请拨打政企服务专席19176699651。\u003c!--NO_AD_2--\u003e\u003c!--EOP_2--\u003e\u003c!--NO_AD_3--\u003e\u003c!--EOP_3--\u003e\u003c!--NO_AD_4--\u003e\u003c!--EOP_4--\u003e\u003c/p\u003e\u003c!--PARAGRAPH_4--\u003e\u003c!--PARAGRAPH_3--\u003e\u003c!--PARAGRAPH_2--\u003e\u003cdiv powered-by=\"qqnews_ex-editor\"\u003e\u003c/div\u003e\u003cstyle\u003e.rich_media_content{--news-tabel-th-night-color: #444444;--news-font-day-color: #333;--news-font-night-color: #d9d9d9;--news-bottom-distance: 22px}.rich_media_content p:not([data-exeditor-arbitrary-box=image-box]){letter-spacing:.5px;line-height:30px;margin-bottom:var(--news-bottom-distance);word-wrap:break-word}.rich_media_content{color:var(--news-font-day-color);font-size:18px}@media(prefers-color-scheme:dark){body:not([data-weui-theme=light]):not([dark-mode-disable=true]) .rich_media_content p:not([data-exeditor-arbitrary-box=image-box]){letter-spacing:.5px;line-height:30px;margin-bottom:var(--news-bottom-distance);word-wrap:break-word}body:not([data-weui-theme=light]):not([dark-mode-disable=true]) .rich_media_content{color:var(--news-font-night-color)}}.data_color_scheme_dark .rich_media_content p:not([data-exeditor-arbitrary-box=image-box]){letter-spacing:.5px;line-height:30px;margin-bottom:var(--news-bottom-distance);word-wrap:break-word}.data_color_scheme_dark .rich_media_content{color:var(--news-font-night-color)}.data_color_scheme_dark .rich_media_content{font-size:18px}.rich_media_content p[data-exeditor-arbitrary-box=image-box]{margin-bottom:11px}.rich_media_content\u003ediv:not(.qnt-video),.rich_media_content\u003esection{margin-bottom:var(--news-bottom-distance)}.rich_media_content hr{margin-bottom:var(--news-bottom-distance)}.rich_media_content .link_list{margin:0;margin-top:20px;min-height:0!important}.rich_media_content blockquote{background:#f9f9f9;border-left:6px solid #ccc;margin:1.5em 10px;padding:.5em 10px}.rich_media_content blockquote p{margin-bottom:0!important}.data_color_scheme_dark .rich_media_content blockquote{background:#323232}@media(prefers-color-scheme:dark){body:not([data-weui-theme=light]):not([dark-mode-disable=true]) .rich_media_content blockquote{background:#323232}}.rich_media_content ol[data-ex-list]{--ol-start: 1;--ol-list-style-type: decimal;list-style-type:none;counter-reset:olCounter calc(var(--ol-start,1) - 1);position:relative}.rich_media_content ol[data-ex-list]\u003eli\u003e:first-child::before{content:counter(olCounter,var(--ol-list-style-type)) '. 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