{"id":5177,"date":"2019-02-22T15:04:09","date_gmt":"2019-02-22T06:04:09","guid":{"rendered":"http:\/\/db3.bird-research.jp\/news\/?p=5177"},"modified":"2019-02-27T10:29:39","modified_gmt":"2019-02-27T01:29:39","slug":"201902-no3","status":"publish","type":"post","link":"https:\/\/db3.bird-research.jp\/news\/201902-no3\/","title":{"rendered":"\u9b45\u529b\u7684\u306a\u6b4c\u3092\u6b4c\u3046\u30e2\u30ba\u306e\u30aa\u30b9\u306f\u5b50\u80b2\u3066\u4e0a\u624b\u304b\uff1f\uff1a\u826f\u3044\u89aa\u4eee\u8aac\u306e\u5b9f\u8a3c\u7814\u7a76"},"content":{"rendered":"<p>\u3053\u306e\u30b7\u30ea\u30fc\u30ba\u3067\u306f\u6bce\u56de\u3001\u7814\u7a76\u8005\u81ea\u8eab\u306b\u3001\u767a\u8868\u3057\u305f\u82f1\u8a9e\u8ad6\u6587\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3082\u3089\u3044\u307e\u3059\u3002<\/p>\r\n<p>\u3000\u4eca\u56de\u306f\u30d0\u30fc\u30c9\u30ea\u30b5\u30fc\u30c1\u306e\u5631\u8a17\u7814\u7a76\u54e1\u306e\u897f\u7530\u6709\u4f51\u3055\u3093\u306b\u89e3\u8aac\u3057\u3066\u3082\u3089\u3044\u307e\u3059\u3002\u3053\u306e\u8ad6\u6587\u306f\u3001\u897f\u7530\u3055\u3093\u304c\u5927\u962a\u5e02\u7acb\u5927\u5b66\u306e\u535a\u58eb\u5f8c\u671f\u8ab2\u7a0b\u5728\u5b66\u6642\u306b\u884c\u3063\u305f\u30e2\u30ba\u306e\u6b4c\u58f0\u3068\u5b50\u80b2\u3066\u80fd\u529b\u306b\u3064\u3044\u3066\u306e\u7814\u7a76\u3067\u30012018\u5e74\u306b\u5317\u6b27\u306e\u751f\u614b\u5b66\u7cfb\u306e\u5b66\u4f1a\uff08Nordic Society Oikos\uff09\u304c\u767a\u884c\u3059\u308b<em>Journal of avian biology<\/em>\u306b\u63b2\u8f09\u3055\u308c\u307e\u3057\u305f\u3002\u672c\u6765\u3001\u30e1\u30b9\u306b\u3068\u3063\u3066\u7d50\u5a5a\u76f8\u624b\u3067\u3042\u308b\u30aa\u30b9\u306e\u5b50\u80b2\u3066\u80fd\u529b\u306f\u5b50\u4f9b\u304c\u80b2\u3063\u3066\u307f\u306a\u3044\u3068\u5206\u304b\u3089\u306a\u3044\u3082\u306e\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u30e2\u30ba\u3067\u306f\u9b45\u529b\u7684\u306a\u3055\u3048\u305a\u308a\u3092\u3059\u308b\u30aa\u30b9\u307b\u3069\u5b50\u80b2\u3066\u80fd\u529b\u304c\u9ad8\u3044\u306e\u3067\u3001\u30e1\u30b9\u306f\u3064\u304c\u3044\u306b\u306a\u308b\u524d\u304b\u3089\u30aa\u30b9\u306e\u5b50\u80b2\u3066\u80fd\u529b\u3092\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3001\u3068\u3044\u3046\u8a71\u3067\u3059\u3002<\/p>\r\n<p>\u3010\u52a0\u85e4\u8cb4\u5927\u3000\u7de8\u3011<\/p>\r\n<p><strong>\u7d39\u4ecb\u3059\u308b\u8ad6\u6587: Nishida, Y., &amp; Takagi, M. (2018). Song performance is a condition dependent dynamic trait honestly indicating the quality of paternal care in the bull headed shrike. <em>Journal of Avian Biology<\/em>, 49(10), e01794.<\/strong><\/p>\r\n<p>&nbsp;<\/p>\r\n<p><strong>\u300c\u826f\u3044\u89aa\u300d\u4eee\u8aac\uff1a\u9b45\u529b\u7684\u306a\u6b4c\u306e\u6301\u3061\u4e3b\u306f\u3001\u5b50\u80b2\u3066\u304c\u4e0a\u624b\uff1f<\/strong><\/p>\r\n<p>\u3000\u6625\u306f\u5c0f\u9ce5\u305f\u3061\u306b\u3068\u3063\u3066\u604b\u306e\u5b63\u7bc0\u3067\u3059\u3002\u30aa\u30b9\u306f\u6c42\u611b\u306e\u305f\u3081\u306b\u3053\u305e\u3063\u3066\u6b4c\u3044\u51fa\u3057\u3001\u30e1\u30b9\u306f\u305d\u306e\u6b4c\u3092\u805e\u3044\u3066\u3064\u304c\u3044\u76f8\u624b\u3092\u9078\u3076\u3053\u3068\u304c\u591a\u304f\u306e\u7a2e\u3067\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3067\u306f\u3001\u306a\u305c\u30e1\u30b9\u306f\u9b45\u529b\u7684\u306a\u6b4c\u3092\u3082\u3064\u30aa\u30b9\u3092\u597d\u3080\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\r\n<p>\u3000\u591a\u304f\u306e\u5c0f\u9ce5\u3067\u306f\u3001\u4e21\u89aa\u304c\u30a8\u30b5\u3092\u904b\u3073\u30d2\u30ca\u3092\u80b2\u3066\u307e\u3059\u3002\u4f53\u91cd\u304c\u91cd\u3044\u30d2\u30ca\u307b\u3069\u5de3\u7acb\u3061\u5f8c\u306e\u751f\u5b58\u7387\u304c\u9ad8\u304f\u306a\u308b\u3053\u3068\u304c\u9ce5\u985e\u4e00\u822c\u3067\u77e5\u3089\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u983b\u7e41\u306b\u30a8\u30b5\u3092\u904b\u3093\u3067\u304f\u308c\u308b\u30aa\u30b9\u3068\u3064\u304c\u3044\u306b\u306a\u308c\u3070\u3001\u30e1\u30b9\u306f\u591a\u304f\u306e\u30d2\u30ca\u3092\u751f\u5b58\u7387\u304c\u9ad8\u3044\u72b6\u614b\u3067\u5de3\u7acb\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30e1\u30b9\u306f\u300c\u5b50\u80b2\u3066\u4e0a\u624b\u300d\u306a\u30aa\u30b9\u3092\u3064\u304c\u3044\u76f8\u624b\u3068\u3057\u3066\u597d\u3080\u306f\u305a\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u30aa\u30b9\u306e\u5b50\u80b2\u3066\u306e\u4e0a\u624b\u3055\u3092\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u306f\u3001\u5b50\u80b2\u3066\u304c\u306f\u3058\u307e\u3063\u3066\u304b\u3089\u3067\u3059\u3002\u307e\u3061\u304c\u3063\u3066\u3001\u5b50\u80b2\u3066\u306e\u4e0b\u624b\u306a\u30aa\u30b9\u3068\u3064\u304c\u3044\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u3066\u306f\u5927\u5909\u3067\u3059\u3002\u305d\u3053\u3067Hoelzer\uff081989\uff09\u306f\u300c\u30e1\u30b9\u304c\u9b45\u529b\u7684\u306a\u6b4c\u3092\u3082\u3064\u30aa\u30b9\u3092\u597d\u3080\u306e\u306f\u3001\u305d\u306e\u3088\u3046\u306a\u30aa\u30b9\u307b\u3069\u5b50\u80b2\u3066\u304c\u4e0a\u624b\u3060\u304b\u3089\u3060\u300d\u3068\u3044\u3046\u826f\u3044\u89aa\u4eee\u8aac\u3092\u63d0\u5531\u3057\u307e\u3057\u305f\u3002<\/p>\r\n<p>\u3000\u826f\u3044\u89aa\u4eee\u8aac\u306e\u5b9f\u8a3c\u306b\u306f\u30011\uff09\u30e1\u30b9\u306f\u30aa\u30b9\u306e\u6b4c\u306b\u57fa\u3065\u3044\u3066\u3064\u304c\u3044\u76f8\u624b\u3092\u9078\u3076\u30012\uff09\u30e1\u30b9\u306b\u3068\u3063\u3066\u9b45\u529b\u7684\u306a\u6b4c\u3092\u3082\u3064\u30aa\u30b9\u307b\u3069\u30d2\u30ca\u3078\u305f\u304f\u3055\u3093\u7d66\u990c\u3059\u308b\u30013\uff09\u305d\u306e\u3088\u3046\u306a\u30aa\u30b9\u3068\u3064\u304c\u3063\u305f\u30e1\u30b9\u307b\u3069\u591a\u304f\u306e\u5065\u5eb7\u306a\u30d2\u30ca\u3092\u5de3\u7acb\u305f\u305b\u3089\u308c\u308b\u3053\u3068\u3001\u3092\u3059\u3079\u3066\u793a\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\r\n\r\n<div id=\"attachment_5291\" style=\"width: 271px\" class=\"wp-caption alignright\"><a href=\"http:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/17f70e334fc4585c2e84911ec8eaa714-1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5291\" class=\" wp-image-5291\" src=\"http:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/17f70e334fc4585c2e84911ec8eaa714-1-1024x848.jpg\" alt=\"\" width=\"261\" height=\"216\" srcset=\"https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/17f70e334fc4585c2e84911ec8eaa714-1-1024x848.jpg 1024w, https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/17f70e334fc4585c2e84911ec8eaa714-1-300x249.jpg 300w, https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/17f70e334fc4585c2e84911ec8eaa714-1-768x636.jpg 768w\" sizes=\"auto, (max-width: 261px) 100vw, 261px\" \/><\/a><p id=\"caption-attachment-5291\" class=\"wp-caption-text\">\u56f3\uff11\uff0e\u30e2\u30baLanius bucephalus\u306e\u30aa\u30b9\uff08photo by Masaoki Takagi\uff09\u3002\u5168\u9577\u306f\u7d04\uff12\uff10cm\u3002\u92ed\u304f\u5c16\u3063\u305f\u5634\u3068\u9577\u3044\u5c3e\u304c\u7279\u5fb4\u3002\u00a9\u4e09\u6728\u654f\u53f2\u6c0f<\/p><\/div>\r\n\r\n<p>\u3000\u3053\u308c\u307e\u306710\u7a2e\u4ee5\u4e0a\u306e\u9ce5\u306b\u304a\u3044\u3066\u826f\u3044\u89aa\u4eee\u8aac\u306f\u7814\u7a76\u3055\u308c\u305f\u3082\u306e\u306e\u3001\u30b9\u30b2\u30e8\u30b7\u30ad\u30ea\uff08Buchanan &amp; Catchpole, 1997, 2000\uff09\u306e1\u7a2e\u3057\u304b\u5b9f\u8a3c\u306b\u6210\u529f\u3057\u3066\u304a\u3089\u305a\u3001\u5c0f\u9ce5\u306e\u6b4c\u3067\u826f\u3044\u89aa\u4eee\u8aac\u304c\u6210\u308a\u7acb\u3064\u304b\u306f\u307e\u3060\u3088\u304f\u308f\u304b\u3063\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\r\n<p>\u3000\u305d\u3053\u3067\u79c1\u306f\u3001\u30e2\u30ba\u3092\u7528\u3044\u3066\u826f\u3044\u89aa\u4eee\u8aac\u306e\u5b9f\u8a3c\u306b\u6311\u307f\u307e\u3057\u305f\u3002\u30e2\u30ba\u306f\u65e5\u672c\u5168\u57df\u306e\u7530\u7551\u306a\u3069\u3067\u3088\u304f\u898b\u3089\u308c\u308b\u5c0f\u9ce5\u3067\u3059\uff08\u56f3\uff11\uff09\u3002\u7e41\u6b96\u671f\u306b\u306a\u308b\u3068\u3001\u30e2\u30ba\u306e\u30aa\u30b9\u306f\u6c42\u611b\u306e\u305f\u3081\u306b\u76db\u3093\u306b\u6b4c\u3046\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u5148\u884c\u7814\u7a76\u306b\u3088\u308c\u3070\u3001\u5929\u5019\u304c\u60aa\u304f\u89aa\u304c\u30a8\u30b5\u6355\u308a\u3092\u6e80\u8db3\u306b\u3067\u304d\u306a\u3044\u72b6\u6cc1\u3067\u306f\u3001\u30d2\u30ca\u306e\u9913\u6b7b\u7387\u304c\u9ad8\u304f\u306a\u308b\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u304a\u308a\uff08Takagi, 2001\uff09\u3001\u89aa\u306e\u7d66\u990c\u80fd\u529b\u306f\u30d2\u30ca\u306e\u6210\u9577\u3084\u751f\u5b58\u7387\u306b\u5f71\u97ff\u3059\u308b\u8981\u7d20\u3060\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u3088\u3063\u3066\u3001\u30e2\u30ba\u306f\u826f\u3044\u89aa\u4eee\u8aac\u3092\u691c\u8a3c\u3067\u304d\u308b\u6750\u6599\u3067\u3059\u3002<\/p>\r\n<p><strong>\u65e9\u53e3\u3067\u6b4c\u3046\u30e2\u30ba\u306e\u30aa\u30b9\u307b\u3069\u3001\u30d2\u30ca\u306b\u305f\u304f\u3055\u3093\u30a8\u30b5\u3092\u904b\u3076<\/strong><\/p>\r\n<p>\u3000\u8abf\u67fb\u306f\u5927\u962a\u5e9c\u5357\u90e8\u306b\u4f4d\u7f6e\u3059\u308b\u6cb3\u5185\u9577\u91ce\u5e02\u30fb\u5bcc\u7530\u6797\u5e02\u306e\u8fb2\u5730\u3067\u30012012-17\u5e74\u306e6\u5e74\u9593\u5b9f\u65bd\u3057\u307e\u3057\u305f\u3002\u30e2\u30ba\u306e\u7e41\u6b96\u671f\uff082-5\u6708\uff09\u306b\u30aa\u30b9\u306e\u306a\u308f\u3070\u308a\u3092\u5b9a\u671f\u7684\u306b\u5de1\u56de\u3057\u300158\u500b\u4f53\u306e\u30aa\u30b9\u306e\u6b4c\u3092\u96c6\u97f3\u30de\u30a4\u30af\u3067\u9332\u97f3\u3057\u3001\u6b4c\u306e\u7279\u5fb4\uff08\u4f8b\uff1a\u97f3\u306e\u9ad8\u3055\u3001\u6b4c\u3063\u3066\u3044\u305f\u6642\u9593\u306e\u9577\u3055\u3001\u6b4c\u306e\u30ec\u30d1\u30fc\u30c8\u30ea\u30fc\u6570\u306e\u591a\u3055\u306a\u3069\uff09\u3092\u62bd\u51fa\u3057\u307e\u3057\u305f\u3002\u540c\u6642\u306b\u7e41\u6b96\u8abf\u67fb\u3082\u884c\u3044\u3001\u30aa\u30b9\u304c\u30e1\u30b9\u3068\u3064\u304c\u3044\u306b\u306a\u3063\u305f\u6642\u671f\u3092\u7279\u5b9a\u3057\u307e\u3057\u305f\u3002\u591a\u304f\u306e\u9ce5\u3067\u306f\u3001\u30e1\u30b9\u306b\u597d\u307e\u308c\u308b\u30aa\u30b9\u307b\u3069\u65e9\u304f\u3064\u304c\u3044\u5f62\u6210\u3067\u304d\u308b\u305f\u3081\u3001\u30aa\u30b9\u306e\u3064\u304c\u3044\u5f62\u6210\u6642\u671f\u306e\u65e9\u3055\u3092\u30e1\u30b9\u306e\u597d\u307f\u306e\u6307\u6a19\u3068\u3057\u3066\u4f7f\u3044\u307e\u3057\u305f\u3002\u5b50\u80b2\u3066\u304c\u59cb\u307e\u3063\u305f\u5de3\u306b\u3064\u3044\u3066\u306f\u5de3\u524d\u306b\u30d3\u30c7\u30aa\u30ab\u30e1\u30e9\u3092\u8a2d\u7f6e\u3057\u3066\u3001\u7236\u89aa\u304b\u3089\u30d2\u30ca\u3078\u306e\u7d66\u990c\u983b\u5ea6\u3092\u5b9a\u91cf\u3057\u307e\u3057\u305f\u3002\u5de3\u7acb\u3061\u76f4\u524d\u306e\u30d2\u30ca\u3092\u6355\u7372\u3057\u3066\u3001\u5de3\u7acb\u3061\u30d2\u30ca\u6570\u3084\u30d2\u30ca\u4f53\u91cd\u3092\u8a08\u6e2c\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3067\u3001\u826f\u3044\u89aa\u4eee\u8aac\u306e\u691c\u8a3c\u306e\u6e96\u5099\u304c\u6574\u3044\u307e\u3057\u305f\u3002<\/p>\r\n<p>\u3000\u307e\u305a\u3001\uff11\uff09\u30e1\u30b9\u306f\u30aa\u30b9\u306e\u6b4c\u306b\u57fa\u3065\u3044\u3066\u3064\u304c\u3044\u76f8\u624b\u3092\u9078\u3076\u304b\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u3001\u30aa\u30b9\u306e\u3064\u304c\u3044\u5f62\u6210\u6642\u671f\u3068\u6b4c\u306e\u7279\u5fb4\u306e\u95a2\u4fc2\u3092\u8abf\u3079\u307e\u3057\u305f\u3002\u8abf\u67fb\u306e\u7d50\u679c\u3001\u307b\u3068\u3093\u3069\u306e\u6b4c\u306e\u7279\u5fb4\u304c\u3064\u304c\u3044\u5f62\u6210\u6642\u671f\u3068\u306f\u95a2\u4fc2\u306a\u304b\u3063\u305f\u3082\u306e\u306e\u3001\u6b4c\u5531\u901f\u5ea6\u306e\u901f\u304b\u3063\u305f\u30aa\u30b9\u306f\u3088\u308a\u65e9\u304f\u3064\u304c\u3044\u5f62\u6210\u3067\u304d\u305f\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\uff08\u56f3\uff12\uff09\u3002\u6b4c\u5531\u901f\u5ea6\u3068\u306f\u30aa\u30b9\u304c1\u79d2\u9593\u306b\u767a\u3057\u305f\u97f3\u6570\u3092\u8868\u3059\u7279\u5fb4\u3067\u3001\u3053\u306e\u5024\u304c\u5927\u304d\u3044\u307b\u3069\u30aa\u30b9\u306f\u300c\u65e9\u53e3\u300d\u3067\u6b4c\u3063\u3066\u3044\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\uff08\u56f33\u3001<a href=\"http:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/eeaceb328ec0ffd00bc33378e1479d34.wav\">\u65e9\u53e3\u306e\u97f3\u58f0<\/a>\u3068<a href=\"http:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/09f98156a3c530dfaf4e24a58e597f63.wav\">\u9045\u53e3\u306e\u97f3\u58f0<\/a>\uff09\u3002\u3088\u3063\u3066\u3001\u30e2\u30ba\u306e\u30e1\u30b9\u306f\u65e9\u53e3\u3067\u6b4c\u3046\u30aa\u30b9\u3092\u597d\u3080\u3001\u3064\u307e\u308a\u6b4c\u5531\u901f\u5ea6\u306b\u57fa\u3065\u3044\u3066\u3064\u304c\u3044\u76f8\u624b\u3092\u9078\u3076\u3053\u3068\u304c\u793a\u5506\u3055\u308c\u307e\u3057\u305f\u3002\u3061\u306a\u307f\u306b\u3001\u30e1\u30b9\u306e\u597d\u307f\u3068\u95a2\u4fc2\u3057\u305d\u3046\u306a\u3001\u30aa\u30b9\u306e\u306a\u308f\u3070\u308a\u306e\u5927\u304d\u3055\u3084\u30aa\u30b9\u306e\u5f62\u614b\u306e\u7279\u5fb4\uff08\u4f8b\uff1a\u5c3e\u306e\u9577\u3055\u306a\u3069\uff09\u306f\u30aa\u30b9\u306e\u3064\u304c\u3044\u5f62\u6210\u6642\u671f\u3068\u95a2\u4fc2\u304c\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\r\n\r\n<div id=\"attachment_5282\" style=\"width: 1034px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/92d57db0790a5fa5b8a0cc20858a9366.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5282\" class=\"size-large wp-image-5282\" src=\"http:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/92d57db0790a5fa5b8a0cc20858a9366-1024x327.png\" alt=\"\" width=\"1024\" height=\"327\" srcset=\"https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/92d57db0790a5fa5b8a0cc20858a9366-1024x327.png 1024w, https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/92d57db0790a5fa5b8a0cc20858a9366-300x96.png 300w, https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/92d57db0790a5fa5b8a0cc20858a9366-768x245.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><p id=\"caption-attachment-5282\" class=\"wp-caption-text\">\u56f32(\u5de6)\uff0e\u30e2\u30ba\u306b\u304a\u3051\u308b\u30aa\u30b9\u306e\u6b4c\u5531\u901f\u5ea6\u3068\u3064\u304c\u3044\u5f62\u6210\u6642\u671f\u306e\u95a2\u4fc2\u3002\u6a2a\u8ef8\u306e\u5024\u306f\u5927\u304d\u304f\u306a\u308b\u307b\u3069\u3001\u30aa\u30b9\u304c\u65e9\u53e3\u3067\u6b4c\u3046\u3053\u3068\u3092\u3001\u7e26\u8ef8\u306e\u5024\u306f\u5c0f\u3055\u304f\u306a\u308b\u307b\u3069\u3001\u3064\u304c\u3044\u5f62\u6210\u6642\u671f\u304c\u65e9\u304b\u3063\u305f\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002\u56f33(\u53f3)\uff0e\u6b4c\u5531\u901f\u5ea6\u304c\u65e9\u3044\u6b4c\u58f0\u3068\u9045\u3044\u6b4c\u58f0\u306e\u30b9\u30da\u30af\u30c8\u30ed\u30b0\u30e9\u30e0\u3002\u6a2a\u8ef8\u306f\u6642\u9593\uff08s\uff09\u3001\u7e26\u8ef8\u306f\u97f3\u306e\u9ad8\u3055\uff08kHz\uff09\u3001\u8272\u306e\u6fc3\u3055\u306f\u97f3\u91cf\uff08U\uff09\u3092\u8868\u3059\u3002\u9ed2\u3044\u90e8\u5206\u304c\u97f3\u58f0\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u308b\u3002<\/p><\/div>\r\n\r\n<p>\u3000\u3064\u304e\u306b\u3001\uff12\uff09\u9b45\u529b\u7684\u306a\u6b4c\u3092\u3082\u3064\uff08\uff1d\u6b4c\u5531\u901f\u5ea6\u304c\u901f\u3044\uff09\u30aa\u30b9\u306f\u30d2\u30ca\u3078\u305f\u304f\u3055\u3093\u7d66\u990c\u3059\u308b\u304b\u3092\u8abf\u3079\u307e\u3057\u305f\u3002\u3059\u308b\u3068\u4e88\u60f3\u901a\u308a\u3001\u6b4c\u5531\u901f\u5ea6\u306e\u901f\u3044\u30aa\u30b9\u307b\u3069\u30d2\u30ca\u3078\u306e\u7d66\u990c\u983b\u5ea6\u304c\u591a\u3044\u3053\u3068\u304c\u793a\u3055\u308c\u307e\u3057\u305f\uff08\u56f34\uff09\u3002\u3055\u3089\u306b\u89e3\u6790\u3092\u9032\u3081\u3066\u307f\u308b\u3068\u3001\u6b4c\u5531\u901f\u5ea6\u304c\u901f\u3044\u30aa\u30b9\u307b\u3069\u3001\u7551\u304c\u591a\u304f\u542b\u307e\u308c\u308b\u306a\u308f\u3070\u308a\u3092\u3082\u3064\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002\u30e2\u30ba\u306b\u3068\u3063\u3066\u7551\u306f\u30a8\u30b5\u5834\u3068\u3057\u3066\u597d\u9069\u306a\u74b0\u5883\u3067\u3042\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\uff08Matsui &amp; Takagi, 2017\uff09\u3002\u3064\u307e\u308a\u3001\u9b45\u529b\u7684\u306a\u6b4c\u3092\u3082\u3064\u30e2\u30ba\u306e\u30aa\u30b9\u306f\u826f\u3044\u30a8\u30b5\u5834\u3092\u3082\u3063\u3066\u3044\u305f\u305f\u3081\u3001\u30d2\u30ca\u3078\u305f\u304f\u3055\u3093\u7d66\u990c\u3067\u304d\u305f\u306e\u3060\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\r\n<p>\u3000\u6700\u5f8c\u306b\u3001\uff13\uff09\u9b45\u529b\u7684\u306a\u6b4c\u3092\u3082\u3064\u30aa\u30b9\u3068\u3064\u304c\u3063\u305f\u30e1\u30b9\u304c\u591a\u304f\u306e\u751f\u5b58\u7387\u304c\u9ad8\u3044\u30d2\u30ca\u3092\u5de3\u7acb\u305f\u305b\u3089\u308c\u305f\u304b\u3092\u8abf\u3079\u307e\u3057\u305f\u3002\u307b\u3068\u3093\u3069\u306e\u5de3\u3067\u306f4-5\u7fbd\u306e\u30d2\u30ca\u304c\u5de3\u7acb\u3063\u3066\u304a\u308a\u3001\u6b4c\u5531\u901f\u5ea6\u3068\u5de3\u7acb\u3061\u30d2\u30ca\u6570\u306e\u9593\u306b\u306f\u95a2\u4fc2\u304c\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u6b4c\u5531\u901f\u5ea6\u306e\u901f\u3044\u30aa\u30b9\u307b\u3069\u3001\u3088\u308a\u4f53\u91cd\u304c\u91cd\u3044\u30d2\u30ca\u3092\u5de3\u7acb\u305b\u3066\u3044\u307e\u3057\u305f\uff08\u56f35\uff09\u3002\u9ce5\u985e\u4e00\u822c\u3067\u306f\u4f53\u91cd\u304c\u91cd\u3044\u30d2\u30ca\u307b\u3069\u3001\u305d\u306e\u5f8c\u306e\u751f\u5b58\u7387\u304c\u9ad8\u3044\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u9b45\u529b\u7684\u306a\u3055\u3048\u305a\u308a\u3092\u3082\u3064\u30e2\u30ba\u306e\u30aa\u30b9\u3068\u3064\u304c\u3044\u306b\u306a\u3063\u305f\u30e1\u30b9\u306f\u751f\u5b58\u7387\u304c\u9ad8\u3044\u30d2\u30ca\u3092\u80b2\u3066\u3089\u308c\u308b\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\r\n\r\n<div id=\"attachment_5226\" style=\"width: 480px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/b655654d5058353b5b8e1a705db28541.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5226\" class=\" wp-image-5226\" src=\"http:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/b655654d5058353b5b8e1a705db28541.png\" alt=\"\" width=\"470\" height=\"217\" srcset=\"https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/b655654d5058353b5b8e1a705db28541.png 1433w, https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/b655654d5058353b5b8e1a705db28541-300x139.png 300w, https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/b655654d5058353b5b8e1a705db28541-768x355.png 768w, https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/02\/b655654d5058353b5b8e1a705db28541-1024x473.png 1024w\" sizes=\"auto, (max-width: 470px) 100vw, 470px\" \/><\/a><p id=\"caption-attachment-5226\" class=\"wp-caption-text\">\u56f34(\u5de6)\uff0e\u30e2\u30ba\u306e\u30aa\u30b9\u306e\u6b4c\u5531\u901f\u5ea6\u3068\u30d2\u30ca\u3078\u306e\u7d66\u990c\u983b\u5ea6\u306e\u95a2\u4fc2\u3002\u7e26\u8ef8\u306e\u5024\u306f\u5927\u304d\u304f\u306a\u308b\u307b\u3069\u3001\u30aa\u30b9\u304c\u30d2\u30ca\u3078\u983b\u7e41\u306b\u7d66\u990c\u3057\u305f\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002\u56f35(\u53f3)\uff0e\u30e2\u30ba\u306e\u30aa\u30b9\u306e\u6b4c\u5531\u901f\u5ea6\u3068\u5de3\u7acb\u3061\u76f4\u524d\u306e\u30d2\u30ca\u306e\u4f53\u91cd\u306e\u95a2\u4fc2\u3002<\/p><\/div>\r\n\r\n<p>\u3000\u4ee5\u4e0a\u304b\u3089\u3001\u30e2\u30ba\u306e\u30aa\u30b9\u306e\u6b4c\u306f\u5b50\u80b2\u3066\u80fd\u529b\u3092\u793a\u3059\u6307\u6a19\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3066\u304a\u308a\u3001\u30e1\u30b9\u306f\u305d\u306e\u6b4c\u306b\u57fa\u3065\u3044\u3066\u7d50\u5a5a\u76f8\u624b\u3092\u9078\u3076\u3053\u3068\u3067\u3001\u5b50\u80b2\u3066\u306e\u4e0a\u624b\u3044\u30aa\u30b9\u3068\u3064\u304c\u3044\u306b\u306a\u308c\u308b\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u826f\u3044\u89aa\u4eee\u8aac\u3092\u5b9f\u8a3c\u3057\u305f\u6570\u5c11\u306a\u3044\u7814\u7a76\u3068\u3044\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\r\n<p>\u3000\u30d0\u30fc\u30c9\u30a6\u30a9\u30c3\u30c1\u30f3\u30b0\u4e2d\u306b\u65e9\u53e3\u3067\u6b4c\u3046\u30e2\u30ba\u306e\u30aa\u30b9\u3092\u898b\u304b\u3051\u305f\u3068\u304d\u306f\u3001\u5b50\u80b2\u3066\u304c\u3093\u3070\u308c\uff01\u3068\u30a8\u30fc\u30eb\u3092\u9001\u3063\u3066\u3042\u3052\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\r\n<p><br \/>\r\n<strong>\u5f15\u7528\u8ad6\u6587<\/strong><br \/>\r\nBuchanan, K. L., &amp; Catchpole, C. K. (1997). Female choice in the sedge warbler <em>Acrocephalus schoenobaenus<\/em> multiple cues from song and territory quality. <em>Proceedings of the Royal Society of London B: Biological Sciences<\/em>, 264(1381), 521-526.<br \/>\r\nBuchanan, K. L., &amp; Catchpole, C. K. (2000). Song as an indicator of male parental effort in the sedge warbler. <em>Proceedings of the Royal Society of London B: Biological Sciences<\/em>, 267(1441), 321-326.<br \/>\r\nHoelzer, G. A. (1989). The good parent process of sexual selection. <em>Animal Behaviour<\/em>, 38(6), 1067-1078.<br \/>\r\nMatsui, S., &amp; Takagi, M. (2017). Habitat selection by the Bull-headed Shrike <em>Lanius bucephalus<\/em> on the Daito Islands at the southwestern limit of its breeding range. <em>Ornithological Science<\/em>, 16(1), 79-86.<br \/>\r\nTakagi, M. (2001). Some effects of inclement weather conditions on the survival and condition of bull-headed shrike nestlings. <em>Ecological Research<\/em>, 16(1), 55-63.<\/p>\r\n<p><strong>\u8457\u8005\u7d39\u4ecb<\/strong><\/p>\r\n<p><a href=\"http:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/01\/22157db8867815dab9b043451512a048.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-5193 alignleft\" src=\"http:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/01\/22157db8867815dab9b043451512a048.jpg\" alt=\"\" width=\"156\" height=\"156\" srcset=\"https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/01\/22157db8867815dab9b043451512a048.jpg 241w, https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/01\/22157db8867815dab9b043451512a048-150x150.jpg 150w, https:\/\/db3.bird-research.jp\/news\/wp-content\/uploads\/2019\/01\/22157db8867815dab9b043451512a048-120x120.jpg 120w\" sizes=\"auto, (max-width: 156px) 100vw, 156px\" \/><\/a>\u897f\u7530\u6709\u4f51<\/p>\r\n<p>\u5927\u962a\u5e02\u7acb\u5927\u5b66\u5927\u5b66\u9662\u7406\u5b66\u7814\u7a76\u79d1\u30fbNPO\u6cd5\u4eba\u30d0\u30fc\u30c9\u30ea\u30b5\u30fc\u30c1\u5631\u8a17\u7814\u7a76\u54e1<\/p>\r\n<p>\u5c02\u9580\u306f\u884c\u52d5\u751f\u614b\u5b66\u30fb\u9032\u5316\u751f\u614b\u5b66\u3002\u30e2\u30ba\u306e\u3055\u3048\u305a\u308a\u3068\u65e9\u8d04\u306e\u6a5f\u80fd\u306b\u3064\u3044\u3066\u7814\u7a76\u4e2d\u3002\u30e2\u30ba\u3068\u540c\u3058\u304f\u982d\u304c\u5927\u304d\u3044\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u30b7\u30ea\u30fc\u30ba\u3067\u306f\u6bce\u56de\u3001\u7814\u7a76\u8005\u81ea\u8eab\u306b\u3001\u767a\u8868\u3057\u305f\u82f1\u8a9e\u8ad6\u6587\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3082\u3089\u3044\u307e\u3059\u3002 \u3000\u4eca\u56de\u306f\u30d0\u30fc\u30c9\u30ea\u30b5\u30fc\u30c1\u306e\u5631\u8a17\u7814\u7a76\u54e1\u306e\u897f\u7530\u6709\u4f51\u3055\u3093\u306b\u89e3\u8aac\u3057\u3066\u3082\u3089\u3044\u307e\u3059\u3002\u3053\u306e\u8ad6\u6587\u306f\u3001\u897f\u7530\u3055\u3093\u304c\u5927\u962a\u5e02\u7acb\u5927\u5b66\u306e\u535a\u58eb\u5f8c\u671f\u8ab2\u7a0b\u5728\u5b66\u6642\u306b\u884c\u3063\u305f\u30e2\u30ba\u306e&hellip; <a href=\"https:\/\/db3.bird-research.jp\/news\/201902-no3\/\" class=\"more\">\u7d9a\u304d\u3092\u8aad\u3080 <i class=\"fa fa-caret-right\"><\/i><\/a><\/p>\n","protected":false},"author":4,"featured_media":5291,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[127,348,557,591],"class_list":["post-5177","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1","tag-127","tag-348","tag-557","tag-591"],"acf":[],"_links":{"self":[{"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/posts\/5177","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/comments?post=5177"}],"version-history":[{"count":54,"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/posts\/5177\/revisions"}],"predecessor-version":[{"id":5305,"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/posts\/5177\/revisions\/5305"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/media\/5291"}],"wp:attachment":[{"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/media?parent=5177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/categories?post=5177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/db3.bird-research.jp\/news\/wp-json\/wp\/v2\/tags?post=5177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}