北红尾鸲育雏期的观察
Observation of Daurian Redstart 's Brooding
北红尾鸲在辽宁省为夏候鸟，居留期长达半年。
Phoenicurus auroreus auroreus is a summer resident bird in Liaoning province , its resident period is more than half a year .
北红尾鸲北红尾鸲北红尾鸲