Aegolius (saw-whet owls) (6)
Asio (eared owls) (9)
Athene (burrowing owls) (8)
Basityto (1)
Bubo (eagle-owls and horned owls) (26)   (1)   (1)
Eoglaucidium (1)
Glaucidium (owlets and pygmy-owls) (33)   (1)
Grallistrix (4)
Heteroglaux (Owl) (1)   (1)
Intulula (1)
Jubula (Maned Owl) (1)
Ketupa (fish owls) (3)
Lophostrix (crested owl) (1)
Margarobyas (1)
Mascarenotus (3)
Megascops (Owl) (30)
Micrathene (elf owl) (1)
Mioglaux (1)
Necrobyas (4)
Nesasio (fearful owl) (1)
Ninox (boobooks) (37)   (2)
Oraristrix (1)
Ornimegalonyx (2)
Otus (scops-owls and screech-owls) (57)   (8)
Pseudoscops (Jamaican owl and striped owl) (2)
Psiloscops (1)
Ptilopsis (2)
Pulsatrix (spectacled owl and relatives) (4)
Pyrroglaux (Palau owl) (1)
Sceloglaux (laughing owl) (1)
Scops (2)
Scotopelia (fishing-owls) (3)
Strigogyps (1)
Strix (earless owls) (38)
Surnia (hawk-owls) (3)
Uroglaux (Papuan boobook) (1)
Xenoglaux (long-whiskered owlet) (1)

(...) = Species count
(...) = Endangered count
(...) = Invasive count