▁cler gy ▁Category : 1 4 th - century ▁Russian ▁people ▁Category : 1 4 th - century ▁Eastern ▁Orth odox ▁cler gy <0x0A> </s> ▁This ▁is ▁a ▁list ▁of ▁the ▁bird ▁species ▁recorded ▁in ▁Luxemb ourg . ▁The ▁av ifa una ▁of ▁Luxemb ourg ▁include ▁a ▁total ▁of ▁ 3 1 4 ▁species , ▁of ▁which ▁five ▁have ▁been ▁introduced ▁by ▁humans ▁and ▁ 8 9 ▁are ▁rare ▁or ▁accident al ; ▁of ▁these , ▁ 1 5 ▁have ▁not ▁been ▁reported ▁in ▁Luxemb ourg ▁since ▁ 1 9 5 0 . ▁ ▁This ▁list ' s ▁tax onom ic ▁treatment ▁( design ation ▁and ▁sequence ▁of ▁orders , ▁families ▁and ▁species ) ▁and ▁nom en cl ature ▁( common ▁and ▁scientific ▁names ) ▁follow ▁the ▁convent ions ▁of ▁natur & ë m welt ▁as bl . ▁- ▁Bird Life ▁Int . ▁Luxemb ourg ▁( www . n ature m welt . lu ). ▁ ▁The ▁following ▁tags ▁have ▁been ▁used ▁to ▁highlight ▁several ▁categories . ▁Not ▁all ▁species ▁fall ▁into ▁one ▁of ▁these ▁categories ; ▁those ▁that ▁do ▁not ▁are ▁commonly ▁occurr ing ▁native ▁species . ▁ ▁( H ) ▁Historical ▁- ▁a ▁species ▁not ▁recorded ▁in ▁Luxemb ourg ▁since ▁ 1 9 5 0 ▁( I ) ▁Int rodu ced ▁- ▁a ▁species ▁introduced ▁to ▁Luxemb ourg ▁as ▁a ▁consequence , ▁direct ▁or ▁indirect , ▁of ▁human ▁actions ▁( A ) ▁Acc ident al ▁- ▁a ▁species ▁that ▁rarely ▁or ▁accident ally ▁occurs ▁in ▁Luxemb ourg , ▁for ▁which ▁supporting