Laughing gulls competing over food Group of laughing gulls Leucophaeus atricilla chasing a gull with food, a form of competition known as intraspecific kleptoparasitism., by BOB GIBBONSSCIENCE PHOTO LIBRARY Stock Photo - Afloimages
Group of laughing gulls (Leucophaeus atricilla) chasing a gull with food, a form of competition known as intraspecific kleptoparasitism., by BOB GIBBONS/SCIENCE PHOTO LIBRARY