0
Olive-backed Quail-Dove was created in 1867.
Olive-backed Forest Robin was created in 2008.
the bird is called an American goldfinch. we have a billion of them and they love thistle.
Owl, olive warbler and ostrich are birds. Oriole, osprey and oriental white stork are birds.
Different types of orioles are:- Bullocks Oriole, Hooded Oriole, Scott's Oriole, Baltimore Oriole,Orchard Oriole etc.