Laughing gull
Larus atricilla
Identification Tips:
- Medium-sized, long-winged gull
- Long bill somewhat droopy towards tip
- Head flat at forehead, giving "mean" look
- Adult plumage reached in third year
Adult alternate:
- Red bill
- Black head
- Thin white crescents above and below eye
- White neck, breast, and belly
- Dark gray back and upperwings
- Pale scapular crescent and tertial crescent
- Dark primaries, usually with no white tips
- Dark primaries blend into gray of upperwings without white division
- White tail
Adult basic:
- Black bill
- White head with faint black streaking on rear part of head
- Dark primaries, usually with small white tips
- White tail
Juvenile:
- Black bill
- Entirely warm brown head, neck, back, and upperwings
- Pale edgings to upperwing coverts
- Pale belly
- Dark terminal band on white tail
Immature:
- First-year bird has gray back, brown upperwing coverts, pale gray head with
black streaks on rear head, grayish breast , and white tail with
complete black terminal band
- Second-year bird is essentially like adult basic, but often has a remnant of
a tail band and does not have white tips to primaries
Similar species:
Bonaparte's, Little, Black-headed and Sabine's Gulls have much different wing
patterns, shorter, thinner bills, and have numerous other distinctions
(Bonaparte's and Little are much smaller). Franklin's Gull is extremely
similar. Adults in alternate plumage have darker tips to primaries, less
extensive dark on underside of primaries and a white bar between gray
upperwing and black primaries. Immatures and basic-plumaged adults typically
have half-hoods that are much darker than those of Laughing Gulls and include
the eye. Other minor plumage differences exist, but all age groups are
perhaps best separated by structural features. Franklin's Gulls are smaller,
shorter-billed, rounder-headed, and have shorter wings.