Gulls Self Study


Gulls Overview 2026

Gull Photographs & Commentaries


Gull Handouts

2026 Seven Habits

2026 7 Gullible Gullers Condensed

2026 Charadriiformes Table

2026 Gull Topography

2026 Years to Mature

2026 Molt & Aging

2026 Kaufman Comments on Aging Ring Billed

2026 Sibley Variation in 1st year Ring billed

2026 1st Winter Flowchart

2026 Gulls Checklist Texas Hex

2026 Gulls Checklist 6 Plus 1 Wandering Texans


Gull References Including Website Links

Gull Research Organization (A wealth of information)

Anything Larus (by Amar Ayyash)

Molt

General Molt Page

Photo Essay: Herring Gull Plumages

Multiple species

Gull ID Flowcharts (Morlan)

Gull ID North Texas Master Birders (Peterson)

Mortality in British Gulls (Flegg & Morgan)

Test Your Gull Abilities (Law)

The Evolution of Behavior in Gulls (Tinbergen)

Replacement of Primaries in Gulls (Pyle Ayash)

The Texas Hex

Ring-billed Gull

Life and Travels Ring Bill (McKenzie)

Laughing Gull

Franklin’s Gull

Herring Gull

Herring Gull (Pierotti)

ID Of Adult American Herring (Adriaens & Mactavish)

Species Boundaries in Herring & LBBG Complex (Collinson et. al.)

ID Of American Herring in a Western European Context (Lonergan & Mullarney)

Bonaparte’s Gull

Lesser Black-Backed Gull

Species Boundaries in Herring & LBBG Complex Collinson et al

6 (+1) Wandering Texans

Iceland Gull

Herring Vs Thayer’s – Identifying First Winter Birds (Larusology)

ID of Thayers In the Field Birding (Lehman)

Plumage Variation in ”Kuimlien’s” Iceland Gull (Zimmer)

Subspecies of the Iceland Gull (Pittaway)

Thayers Gull Birding (P.A.D.)

Thayers Gull: A Checkered History Near Its End (Ayash)

Glaucous Gull

Sabine’s Gull

California Gull

Black-legged Kittiwake Little Gull

13 Lucky Texans

Black-headed Gull

Black-tailed Gull

Glaucous-winged Gull

Gray Gull

Great Black-backed Gull

Heerman’s Gull

Kelp Gull

Short-billed Gull

Identification of the Larus canus complex (Adriaens & Gibbins)

Slaty-backed Gull

First Cycle Slaty-backed Gulls in Japan (Jaramillo)

Vega Gull

Vega Gull v Herring Graphic (artist unknown)

Western Gull

Another Look at the Western and Yellow-Footed Gulls (McCaskie)

Yellow-footed Gull

Another Look at the Western and Yellow-Footed Gulls (McCaskie)

Yellow-legged Gull

Hybrids

Chandeleur Gull (Dittman & Cardiff)

Cook Inlet Gull (Weiser & Pohlen)

ID & Ageing of Glaucous-winged Gull & Hybrids (Ebels, Adriaens, King)

ID Hybrid & Immature Gulls in Coastal B.C. (Cannings)


Gull Videos