蓝喉歌鸲繁殖 蓝喉歌鸲的繁殖方式

蓝喉歌鸲繁殖

繁殖期5-7月,通常营巢于灌丛中,或地上凹坑内,也在树根和河岸崖壁洞穴中营巢。巢隐蔽性甚好,巢用枯草茎、枯草根、树叶等材料构成,巢底再用细草茎和草叶铺垫,有时也放置兽毛和羽毛。窝卵数4-7枚。

蓝喉歌鸲繁殖 蓝喉歌鸲的繁殖方式

卵淡绿色或灰绿色,被有褐色点斑、块斑或渍斑,尤以钝端斑点较密和较大,尖端斑点或块斑小而稀疏。卵的大小为17-21毫米×13-15毫米。孵卵由雌鸟承担,孵化期13-15天。雏鸟晚成性,孵出后由雌雄亲鸟共同喂养,经过14-15天的喂养,幼鸟即可离巢。

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