Black-headed Gull Identification

Looking for ID Help?

Get Instant ID help for 650+ North American birds.

Try Merlin Bird ID

Adult Description

  • Small gull.
  • White triangle in outer part of wing.
  • Blackish under tip of wing.
  • Back pale gray.
  • Underparts white.
  • Head dark brown during breeding.
  • Dark spot behind eyes in winter.

Immature Description

Juvenile with much brown on head, neck, and back, a dark bar across the wing, and a black tail tip. Immature similar to nonbreeding adult, but with brownish black bar across the base of the wing, much black in the outer wing, and a black band across the tip of the tail. In first breeding plumage the black head is partly mottled with white.
Relative Size

Relative Sizebetween crow and goosebetween crow and goose
  • Both Sexes
    • Length: 13.4-14.6 in (34-37 cm)
    • Weight: 6.7-14.1 oz (190-400 g)
    • Wingspan: 39.4-43.3 in (100-110 cm)

Need Bird ID Help? Try Merlin