Children (73 direct children, 141 direct and indirect children):
Tawny owl
(tree size 8)
Strix aluco
Black-banded owl
(tree size 2)
Strix huhula
Mottled owl
(tree size 7)
Strix virgata
Ural owl
(tree size 10)
Strix uralensis
Great grey owl
(tree size 2)
Great gray owl
Strix woodfordii
(tree size 5)
Wood owl
Spotted wood owl
(tree size 3)
Spotted wood-owl
Fulvous owl
Strix fulvescens
Brown wood owl
(tree size 14)
Brown wood-owl
Barred owl
Strix varia
Rufous-banded owl
(tree size 3)
Strix albitarsis
Mottled wood owl
(tree size 3)
Mottled wood-owl
Spotted owl
(tree size 4)
Strix occidentalis
Strix bartelsi
Strix newarensis
(tree size 1)
Sichuan wood owl
Strix davidi
Strix nigrolineata
Black-and-white owl
Rusty-barred owl
Strix hylophila
Rufous-legged owl
(tree size 2)
Strix rufipes
Chaco owl
Strix chacoensis
Strix nivicolum
(tree size 3)
Himalayan owl
Strix butleri
Hume's wood owl
Strix niasensis
Strix squamulata
Strix sartorii
Cinereous owl
Strix omanensis
Omani owl
Strix hadorami
Desert tawny owl
Strix peli
Pel's fishing owl
Strix superciliaris
White-browed hawk-owl
Strix indranee
(tree size 1)
Strix badia
Strix capensis
Strix deroepstorffi
Strix lempiji
Strix orientalis
Strix punctatissima
Strix rufescens
Strix sororcula
Strix magellanicus
Strix otus
Strix perspicillata
Strix scandiaca
Strix occidentalis x varia
Strix atricapilla
Strix boobook
Strix grallaria
Strix hypugaea
Strix javanica
Strix ketupu
Strix leucotis
Strix magica
Strix minutissima
Strix novaehollandiae
Strix novaeseelandiae
Strix rosenbergii
Strix scutulata
Strix sumatrana
Strix tuidara
Strix acadica
Strix brasiliana
Strix castanoptera
Strix choliba
Strix coromanda
Strix cristata
Strix glaucops
Strix inexspectata
Strix japonica
Strix longimembris
Strix murivora
Strix nana
Strix perlata
Strix radiata
Strix sauzieri