James St. John:
Larus glaucescens (glaucous-winged gull)
James St. John:
Larus glaucoides (Iceland gull)
James St. John:
Pagophila eburnea (ivory gull)
James St. John:
Leucophaeus atricilla (laughing gull)
James St. John:
Larus delawarensis (ring-billed gull) (Sanibel Island, Florida, USA)
James St. John:
Larus argentatus smithsonianus (American herring gull) (Mt. Desert Island, Maine, USA) 1
James St. John:
Larus novaehollandiae (silver gull) (Port Pirie, South Australia)
James St. John:
Leucophaeus atricilla (laughing gulls)
James St. John:
Leucophaeus atricilla atricilla (laughing gull) (Sanibel Island, Florida, USA)
James St. John:
Larus argentatus smithsonianus (American herring gull) (Mt. Desert Island, Maine, USA) 3
James St. John:
Larus argentatus smithsonianus (American herring gull) (Mt. Desert Island, Maine, USA) 2
James St. John:
Leucophaeus atricilla (laughing gulls) 1
James St. John:
Leucophaeus atricilla (laughing gulls) 2
James St. John:
Leucophaeus atricilla (laughing gulls) 3
James St. John:
Leucophaeus atricilla (laughing gulls) 4