Omniscient, Omnipotent, Oppressive, Overwhelming, Orderly
ocelot
Orang-utan is a type of rainforest animal that starts with an 'o' at the start of it's name.
Orca (aka killer whale)
Boy - Oliver, Oscar Girl - Olivia, Olive
Ostrage, Octopus, Otter, Orangutange, Owl
Oscar and Oliver are 2
Feline
Feline mammal of south America beginning with the letter O is an "ocelot."
The word Feline is a scientific name for cat.
no.............................
feline
O Henry
Ontario
Orangutan.
ozone
owen
Orbit
There is no animal that has a long o at the beginning.