Birds of North America Illustrations

Iceland Gull Breeding Adult: Large, white gull with pale, pearl-gray back and upper wings. Bill is yellow with red spot at tip of lower mandible. Wing tips are sometimes marked with pale to dark gray. Tail is white; legs and feet are pink. Sexes are similar. Winter adult is white with pale gray or brown markings on head, neck, breast, and tail. Juvenile is barred pale gray and brown overall with a grayer head and black bill; some juveniles are nearly white, showing only faint gray-brown barring on back and upperwings. 1st summer is mostly white with variable pale brown wash, usually on upperparts; bill is pale with a dark tip. 2nd winter resembles 1st summer but begins to show pale gray on back and wings. 3rd winter resembles winter adult but has a yellow-green bill with black spot near tip.