Which bird names start with the letter O?

Birds beginning with O:

• Oahu Oo
• Oilbird
• Olomao bird
  
• Omao bird
  
• Oriole
• Oropendola (tropical black bird)
• Osprey
• Ostrich
• Oustalet's sunbird
  
• Ou bird
• Ouvea parakeet
• Ouzel
  
• Ovenbird
• Owl
  

The Ostrich is one bird whose name starts with the letter "o".
· Olivaceous Cormorant

· Oriole

· Osprey

· Ostrich

· Owl

· Oropendola