Visual Guide of Seagulls

Below are some photos of gulls that have been grouped according to the age of each individual. The T.R.S. appreciates receiving photos of seagulls to supplement the information in this gallery. To view each enlarged photographs, click on it.

- 2 Age Group

- 3 Age Group

- 4 Age Group

2 Age Group

Moult to adult feathers at two years old

Year 1 (Age Euring 3/5)

Year 2 (Age Euring 4/6)

Bonaparte's Gull (Chroicocephalus philadelphia)	Laughing Gull (Larus guanaguanare)
Ivory Gull (Pagophyla eburnea)	Slender-billed Gull (Chroicocephalus genei)
Black-headed Gull (Chroicocephalus ribidundus)	Ross Gull (Rhodostethia rosea)
Sabine's Gull (Larus sabini)

3 Age Group

Moult to adult feathers at three years old

Year 1 (Age Euring 3/5)

Year 2 (Age Euring 5/7)

Year 3 (Age Euring 7/6)

Grey-headed Gull (Larus cirrocephalus)	Mediterranean Gull (Larus melanocephalus)
Common Gull (Larus canus)	Ring-billed Gull (Larus delawarensis)
Little Gull (Hydrocoloeus minutus)	Franklin's Gull (Larus pipixcan)
Lesser Black-backed Gull (Larus fuscus fuscus)	Black-legged Gull (Rissa tridactyla)

4 Age Group

Moult to adult feathers at four years old

Year 1 (Age Euring 3/5)	Year 2 (Age Euring 5/7)
Year 3 (Age Euring 7/9)	Year 4 (Age Euring 9/8)

Great Black-backed Gull (Larus marinus)	Herring Gull (Larus argentatus)
American Herring Gull (Larus smithsonianus)	Audouin's Gul (Larus auduouin)
Caspian Gull (Larus cachinnans)	Iceland Gull (Larus glaucoides)
Kumlieni's Gull (Larus glaucoides kumlieni)	Heermani's Gull (Larus heermani)
Glaucous Gull (Larus hyperboreus)	Occidental Gull (Larus occidentalis)
Atlantic Yellow-legged Gull (Larus michahellis atlantis)	Cantabrian Yellow-legged Gull (Larus michahellis lusitanius)
Mediterranean Yellow-legged Gull (Larus michahellis michahellis)	Lesser Black-backed Gull (Larus fuscus graellsii)
Lesser Black-backed Gull (Larus fuscus graellsii & intermedius) La integradación holandesa	Lesser Black-backed Gull (Larus fuscus intermedius)