Children (28 direct children, 360 direct and indirect children):
Sternula
(tree size 22)
Procelsterna
(tree size 11)
Thalasseus
(tree size 25)
Chroicocephalus
(tree size 19)
Hooded gulls
Rynchops
(tree size 6)
The skimmer genus
Leucophaeus
(tree size 7)
Rissa
(tree size 4)
The kittiwake genus
Anous
(tree size 33)
Ichthyaetus
(tree size 6)
Chlidonias
(tree size 14)
Marsh tern
Gygis
(tree size 10)
Onychoprion
(tree size 15)
Brown-backed terns
Larus
(tree size 120)
Larinae
Gulls
Creagrus
(tree size 1)
Hydrocoloeus
(tree size 1)
Hydroprogne
(tree size 3)
Larosterna
(tree size 1)
Pagophila
(tree size 2)
Phaetusa
(tree size 1)
Rhodostethia
(tree size 1)
Gelochelidon
(tree size 11)
Xema
(tree size 5)
Rhynchopinae
(tree size 6)
Saundersilarus
(tree size 1)
Sterninae
Endomychura
(tree size 3)
Hydrochelidon
(tree size 4)