Children (62 direct children, 100 direct and indirect children):
Common tern
(tree size 4)
Sterna hirundo
Sterna albifrons
(tree size 1)
Little tern
Arctic tern
(tree size 1)
Sterna paradisaea
Black-naped tern
(tree size 2)
Sterna sumatrana
River tern
Indian river tern
White-fronted tern
(tree size 1)
Sterna striata
Roseate tern
(tree size 5)
Sterna dougallii
Forster's tern
Forster’s tern
Antarctic tern
(tree size 7)
Sterna vittata
White-cheeked tern
Sterna repressa
Black-bellied tern
Sterna acuticauda
Snowy-crowned tern
Sterna trudeaui
South american tern
Sterna hirundinacea
Kerguelen tern
(tree size 2)
Sterna virgata
Sterna eurygnatha
Sterna zimmermanni
Sterna milne-edwardsii
Sterna sandvicensis
Sandwich tern
Saundersís tern
Saunders’s tern
Sterna anaethetus
Bridled tern
Great crested tern
(tree size 6)
Sterna bergii
Lesser crested tern
(tree size 3)
Sterna bengalensis
Black-fronted tern
Sterna albostriata
Sterna elegans
Elegant tern
Sterna caspia
Caspian tern
Damara tern
Sterna balaenarum
Peruvian tern
Sterna lorata
Sterna fuscata
Sooty tern
Chinese crested tern
Sterna bernsteini
Sterna nereis
Fairy tern
Sterna maxima
(tree size 2)
Sterna philadelphia
Sterna anaetherus
(tree size 1)
Sterna sandvichensis
(tree size 1)
Sterna affinis
Sterna anglica
Sterna grisea
Sterna javanica
Sterna media
Sterna oahuensis
Sterna poliocerca
Sterna sanctipauli
Sterna seena
Sterna similis
Sterna sp.
Sterna tibetana
Sterna aleutica
Sterna lunata
Sterna acuflavida
(tree size 2)
Sterna cerulea
Sterna camtschatica
Sterna fluviatilis
Sterna leucoptera
Sterna minuta
Sterna niger
Sterna nigra
Sterna nilotica
Sterna tschegrava
Sterna hybrida
Sterna simplex
Sterna superciliaris
Sterna tenuirostris