Knoff, A.J., S.A. Macko and R.M. Erwin. 2001. Diets of nesting Laughing Gulls (Larus atricilla) at the Virginia Coast Reserve: Observations from stable isotope analysis. Isotopes in Environmental and Health Studies 37:67-88. Keywords=carbon 13, diet, Larus atricilla, Laughing Gull, natural variations, nitrogen 15, sulfur 34 End_keywords Notes= submitted by ajk4z@virginia.edu, Tue May 22 16:23:30 EDT 2001 End_notes