Bird with O
- owl
- Orioles
- Oriel
- Ostriches
- OSTRICH
- Orange parrot
- Oyster catcher
- owls
- Olive Pigeon
- orange finch
- Oxpecker
- open
- olive greenbul
- opal
- Orion
- Olive Honeyeater
- Owlets
- orange sparrow
- Ore
- Ogre
Ordene på listen Bird with O stammer fra spillere af ordspillet By-Land-Flod.