1918.] Birds of Macedonia. 297 



Nyroca ferina. Pochard. Many birds were noticerl on 

 Lake Ardzan during April, May, and beginning of June. 

 I have no doubt some were breeding, but I found no nests. 



Nyroca fuligula. Tufted Duck. Never common, and not 

 noticed at all after the end of March. 



Egretta alba. Great White Heron. I saw one bird 

 which appeared to belong to this species on April 17. It 

 was very shy, and T could only examine it through glasses 

 at some distance. 



Egretta garzetta. Little Egret. Single birds were 

 observed on Lake Ardzan from the middle of April 

 onwards. 



Ardeola ibis. Buff-backed Heron. These were fairly 

 common on Lake Ardzan, arriving about the middle of 

 April. 



Ardeola ralloides. Squacco Heron. These were fairly 

 common on Lake Ai'dzau in varying numbers. They were 

 first noticed about April 15. 



Nycticorax griseus. Night Heron. I secured a female 

 on April 29. They were at no time common. 



Ciconia ciconia. White Stork. This bird is common all 

 over the country, and breeds in considerable numbers in and 

 near villages. I counted over thirty-five pairs in the evacu- 

 ated village of Karasuli, near the Vardar. They arrived at 

 the end of March. 



Ciconia nigra. Black Stork. I saw a flock of eighteen 

 of this species nearNaresch about the middle of June, but 

 at no other time. 



Otis tarda. Great Bustard. I saw two birds which were 

 apparently of this species on the plain near Hirsova at the 

 beginning of June. They had often been reported to mc as 

 frequenting that district. 



