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