Children (20 direct children, 30 direct and indirect children):
Leach’s storm petrel
(tree size 4)
Oceanodroma leucorhoa
Matsudaira's storm petrel
Oceanodroma matsudairae
Markham's storm petrel
Oceanodroma markhami
Guadalupe storm petrel
Guadalupe storm-petrel
Band-rumped storm petrel
Band-rumped storm-petrel
Monteiro's storm petrel
Monteiro's storm-petrel
Tristram's storm petrel
Tristram's storm-petrel
Wedge-rumped storm petrel
(tree size 2)
Wedge-rumped storm-petrel
Hornby's storm petrel
Oceanodroma hornbyi
Cape verde storm petrel
Oceanodroma jabejabe
Fork-tailed storm petrel
(tree size 2)
Fork-tailed storm-petrel
Black storm petrel
(tree size 1)
Black storm-petrel
Ashy storm petrel
Ashy storm-petrel
Oceanodroma hubbsi
Swinhoe's storm petrel
Oceanodroma monorhis
Oceanodroma microsoma
Least storm petrel
Oceanodroma socorroensis
Townsend's storm petrel
Ainley's storm petrel
Oceanodroma cheimomnestes
Oceanodroma leucorrhoa
(tree size 1)
Oceanodroma leucorrhea