Food and Feeding Habits Summary

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Food and Feeding Habits Summary Rissa tridactyla

Main Ref.	Springer, A.M., D.G. Roseneau, E.C. Murphy and M.I. Springer, 1984
Fish stage	juv./adults	Mean length	none
Sample size	71	Percent empty	6
Country		Locality	Cape Lisburne
Period	January February March April May June July August September October November December Highlighted items on the list are known Feeding Periods of Rissa tridactyla

Diet percent	Food I	Food II	Food III	Prey stage	Item Name	Comments
39.13 %	nekton	finfish	bony fish	juv./adults	Gadidae	%estimated wet weight = 36
1.09 %	nekton	finfish	bony fish	juv./adults	Cottidae	%estimated wet weight = 1
35.87 %	nekton	finfish	bony fish	juv./adults	Ammodytes hexapterus	%estimated wet weight = 33
3.26 %	nekton	finfish	bony fish	juv./adults	Mallotus villosus	%estimated wet weight = 3
10.87 %	zooplankton	plank. crust.	n.a./other plank. crustaceans	juv./adults	unspecified amphipods	%estimated wet weight = 10
2.17 %	zoobenthos	worms	polychaetes	juv./adults	unspecified polychaetes	%estimated wet weight = 2
7.61 %	zooplankton	plank. crust.	euphausiids	juv./adults	unspecified euphausiids	%estimated wet weight = 7