Northern Puffback
Northern Raven
Northern Royal Albatross
Northern Shoveler
Northern Variable Pitohui
Northern Wheatear
Northern White-faced Owl
Nuthatch Vanga
Ochraceous Bulbul
Olivaceous Flatbill
Olivaceous Piculet
Olive Bee-eater
Olive Sunbird
Olive Thrush
Olive-backed Pipit
Olive-backed Sunbird
Olive-breasted Greenbul
Olive-capped Flowerpecker
Orange Weaver