Children (9 direct children, 22 direct and indirect children):
Least tern
(tree size 4)
Sternula antillarum
Fairy tern
(tree size 3)
Sternula nereis
Damara tern
Sternula balaenarum
Saunders's tern
Saunders' little tern
Peruvian tern
Sternula lorata
Yellow-billed tern
Sternula superciliaris
Little tern
(tree size 6)
Sternula albifrons
Sternula korustes
Sternula placens