Yellow-footed gulls (Larus livens) and Heermann's gulls (Larus heermanni) fight for a squid on Isla Ildefonso, Mexico, North America

horizontal horizontal image outdoors outside day nobody no one no one yellow footed gull larus livens heermanns gull larus heermanni fighting isla ildefonso mexico usa us united states united states of america north america american north american travel animal themes animal animals fauna medium group of animals water bird birds aves gulls aggression competition