RetT]a_rks.--At least one individual was 

 days spent beyond 15 km offshore between 1 

 usually solitary or less often in pairs. 



observed on all but 3 of the 32 



June and 26 September. They were 



except when resting or feeding. 



Unlike other shearwaters, chumrring efforts with beef suet, fish oils, 

 bread, and garbage generally failed to draw Cory's shearwaters near the 

 vessel for more than a passing glance. However, once several gathered to 

 feed on fresh mashed bits of the oily liver of a dusky shark ( Carcharhinus 

 obs curus ) . 



X 

 X 

 X 



X X X X X X X I 



'[^ 



month 



— I 1 1 1 1 I I 



FMAMJJAS 



X 

 X 

 X 



X 

 X 



137 



118 



111 



95 



77 



54 



19 







O N D 



E 

 o 



1=0.1-1.0 1=1.1-10 H =11-39 



MEAN NUMBER OF INDIVIDUALS OBSERVED PER HOUR 



X = ZONE NOT SAMPLED IN THIS MONTH 

 Figure 7. Seasonal abundance and seaward distribution patterns of the Cory's 



shearwater in the northern Chesapeake Bight, 1971-1977. 



GREATER SHEARWATER ( Puffinus gravis ) 



Status. --Uncommon late spring, summer, and fall visitant from mid-May to 

 early December (Fig. 8). It may be locally abundant during June and early 

 July and is occasionally fairly common during late October and early November. 



Earliest record . --16 May 1976. 



Latest record . — 6 December 1975. 



Maximum c ounts .— 39 in 15 h, along the edge of the Continental Shelf, 

 91-102 km SE Chincoteague, Virginia, 3 July 1977; 14 in 0.5 h at Baltimore 

 Canyon (38°14'N, 73°52'W), 23 November 1974; 12 in 5 h at Baltimore Canyon, 4 

 December 1976. 



14 



