çå®ä¸ä¸å两个çè趾第ä¸ååºå°±æ¯åæ¨é¸ãå¦åå«ç°å¤´ç»¿åæ¨é¸
ç°å¤´ç»¿åæ¨é¸ï¼å¦åï¼Picus canusï¼æ¯é´·å½¢ç®åæ¨é¸ç§çé¸ç±»ãå
¨é¿27cmãéé¸ä¸ä½èé¨ç»¿è²ï¼è
°é¨åå°¾ä¸è¦ç¾½é»ç»¿è²ï¼é¢é¨å顶é¨çº¢è²ï¼æé¨ç°è²å¹¶æé»çº¹ãé¢é¨åé¢åé¨ç°è²ï¼é«çº¹é»è²ãå级é£ç¾½é»è²å
·æç½è²æ¨ªæ¡çº¹ã尾大é¨ä¸ºé»è²ãä¸ä½ç°ç»¿è²ãééç¸ä¼¼ï¼ä½éé¸å¤´é¡¶åé¢é¨é红è²ãå´ãèé
ç°è²ãé¼»å被ç²çç¾½æ¯ææ©çãå´å³°ç¨å¼¯ï¼èå
·4趾ï¼å¤å趾è¾å¤å趾é¿ã尾为翼é¿ç2/3ç¨çï¼å¼ºå¸å°¾ï¼æå¤ä¾§å°¾ç¾½è¾å°¾ä¸è¦ç¾½ä¸ºçãæ æ¯äºå±±æé´ï¼æ§èæ¯ãå¤å£åé£æè«ï¼å¬å£å
¼é£ä¸äºæ¤ç©ç§åã
ç°å¤´ç»¿åæ¨é¸è¯¦ç»èµæï¼
http://baike.baidu.com/view/262209.htm