ostrich
Osprey
Olive Ridley (turtle) Osprey (bird)
The oyster catcher (bird) and the orange leaf-nosed bat are animals in Australia. They begin with the letter o.
optimistic open outgoing obliging
ostrich is considered a bird.
Oak Tiger ButterflyOcellumOcelotOkapiOpossumOrangutanOropendola (bird)Ornate Wood TurtleOvenbirdOwl (multiple species)
The Oo bird (Oh-oH) is an extinct bird that starts with the letter o. To pronounce you just say the letter o times.Otters became extinct in Lithuania, but were then restored.Osmia anthocopoides, Osmia papaveris and Osmia xanthomela are kinds of bees that have become extinct.Oligoplectrum maculatum is an extinct kind of Pond DamselflyOligoneuriella rhenana is an extinct kind of Mayfly.Oleacina guadeloupensis is an extinct kind of Mollusc.
A three letter bird is an owl.
Oboe and olives are objects. Oranges and ostrich begin with the letter o.
Outstanding and optimistic are positive words. They begin with the letter o.
Oceanography and optometry are college subjects. They begin with the letter o.
Oranges, olives and okra are fruits. They begin with the letter o.