296 



E. BRUN 



Table 6. Population trends in colonies of the common murre (Uria aalge) in Norway. Num- 

 bers for 1964 and 1974 are, when not censused those years, extrapolated from present trends, 

 using estimated yearly decrease or increase from all available census figures. 



a Numbers in italics were censused from 1964 and 1974. 

 b Estimated values from trends in neighboring colonies. 

 c Numbers in parentheses are not based on a complete census of the whole coast. 



Table 7. Status of the thick-billed murre (Uria lomvia) in Norway (cf. Fig. 3). 



