Gaviota cabecigrís
Chroicocephalus cirrocephalus
Incluida en la guía Guía de aves.
Esta categoría contiene 47 especies en total.
Chroicocephalus cirrocephalus
Chroicocephalus genei
Chroicocephalus philadelphia
Chroicocephalus ridibundus
Gelochelidon nilotica subsp. nilotica
Ichthyaetus audouinii
Ichthyaetus melanocephalus
Larus argentatus
Larus argentatus subsp. argentatus
Larus argentatus subsp. argenteus
Larus cachinnans
Larus canus
Larus canus subsp. canus
Larus cirrocephalus
Larus delawarensis
Larus dominicanus
Larus dominicanus subsp. vetula
Larus fuscus
Larus fuscus subsp. fuscus
Larus fuscus subsp. graellsii
Larus fuscus subsp. intermedius
Larus genei
Larus glaucoides
Larus glaucoides subsp. glaucoides
Larus glaucoides subsp. kumlieni
Larus glaucoides subsp. thayeri
Larus hyperboreus
Larus hyperboreus subsp. hyperboreus
Larus marinus
Larus michaelis
Larus michahellis
Larus michahellis subsp. atlantis
Larus michahellis subsp. lusitanius
Larus michahellis subsp. michaellis
Larus michahellis subsp. michahellis
Larus minutus
Larus philadelphia
Leucophaeus atricilla
Leucophaeus pipixcan
Rhodostethia rosea
Rissa tridactyla
Rissa tridactyla subsp. tridactyla
Xema sabini