Skuas, Gulls, and Terns (Laridae)

South Polar Skua

• Female, immature, Washington, Aug.
• From below

Parasitic Jaeger

• Female, adult, Washignton, May
• From below
• Male, immature, Washington, Oct.
• From below
• Female, juvenile, Washington, Aug.
• From below
• Male, juvenile, Washington, Oct.
• From below

Laughing Gull

• Adult, Maine, June
• From below
• Male, immature, Maine
• From below

Franklin's/Laughing Gulls

• Adults, Franklin's above, Nebraska, May; Laughing below, Maine, June
• Female (Franklin's) juv, Washington, Sept.
• From below

Black-headed/Bonaparte's gulls

• Adults, Black-headed above, Netherlands, Apr.; Bonaparte's below, Washington, Apr.
• Adults (Bonaparte's), Washington, above Nov., below Apr.

Little Gull

• Female, juvenile, Washington, Aug. (molting)
• From below

Heermann's Gull

• From the top to bottom: adult (outermost primaries still growing in), Sept; second winter, Aug.; and juvenile, Sept.; all from Washington
• From below

Mew Gull

• From top to bottom adult, Dec.; second winter, Oct.; and first winter, Nov.; all from Washington
• From below
• Mew Gull/Ring-billed Gull comparison, from top to bottom adult male Mew, Dec.; adult female Ring-billed, Mar.; adult female Mew, Dec; all from Washington
• From below

Ring-billed Gull

• From top to bottom adult, Mar.; second winter, Apr.; juvenile, Aug.; all from Washington
• From below
• From top to bottom juvenile, Aug.; first summer-second winter, July; second winter, Apr.; all from Washington
• California Gull comparison, from top to bottom adult Ring-billed, Mar.; adult California, Apr.; both from Washington
• California Gull comparison, upper 3 wingtips adult Ring-billed; lower 3 wingtips adult California; all from Washington

California Gull

• From top to bottom adult, Apr.; third winter, Apr.; both from Washington

Thayer's gull/Herring Gull

• Comparison, from top to bottom adult Thayer's, Jan; adult Herring, Dec.; both from Washington
• From below
• Comparison, from top to bottom first winter Herring, Mar.; first winter Thayer's, Oct.; both from Washington
• From below

Glaucous Gull

• Male, juvenile, Washington, Jan.
• From below

Lesser Black-backed Gull

• Female, Holland, Mar.
• From below

Yellow-footed Gull

• Male, California, Aug. (molting)
• From below

Great Black-backed Gull

• Female, North Carolina, July (molting)
• From below
• Female, immature, North Carolina, July (molting)
• From below
• Female, juvenile, North Carolina, Oct.
• From below

Black-legged Kittiwake

• Adult, Washington, Nov. (P10 still growing in)
• Female, juvenile, Alaska, Sept.
• From below

Sabine's Gull

• Male, juvenile, Washington, Sept.
• From below

Comparisons

• Five Gull Comparison: From top, adult Herring, Thayer's, California, Ring-billed, and Mew, all from Washington (angle of photo makes upper wings seem smaller than they are)
• Herring and Herring x Glaucous-winged Gull wing specimens for reseearch
• Thayer's Gull wing specimens for research
• Glaucous-winged, Western, and Western x Glaucous-winged Gull wing specimens for research
• Mew Gull wing specimens for research

Caspian Tern

• Female, Washington, May
• From below
• Juvenile, Washington, Sept.
• From below
• Young juvenile, Washington, Sept.
• From below

Royal Tern

• Adult, Louisiana, Jan.
• From below

Elegant Tern

• Adult, Washington, Aug.
• From below

Sandwich Tern

• Adult, North Carolina, May
• From below

Common Tern

• Adult, Washington, Aug.
• From below
• Juvenile, Washington, Sept.
• From below

Arctic Tern

• Adult, Washington, July
• From below

Forster's Tern

• Adult, Washington, Apr.
• From below
• Juvenile, Washington, Aug.
• From below

Sooty Tern

• Adult, Johnston Atoll, May
• From below

Black Tern

• Adult, Washington, June
• From below
• Juvenile, Washington, Aug.
• From below

Brown Noddy

• Adult, Johnston Atoll, July
• From below
• Juvenile, Johnston Atoll, Aug.
• From below

White-capped Noddy

• Juvenile, Johnston Atoll, Feb.
• From below

White Tern

• Adult, Johnston Atoll, Feb.
• From below
• Juvenile, Johnston Atoll, Feb.
• From below