no there are not
O can be Ox and N can be Netts
ostrich
Oxen Orangutan Okapi (Antelope)
orangutan
Orangutan
The oyster catcher (bird) and the orange leaf-nosed bat are animals in Australia. They begin with the letter o.
Google images
Octopus's live in Antarctica. :)
· Ox · Opossum · Orangutan · Ostrich · Otter · Old English Sheepdog
Oro Valley, a town in Pima County, Arizona.
· Arizona - Oro Valley is a town in Pima County, Arizona