Cow :D Haha got one!
Boa (constrictor); bobcat; boar; bonobo (monkey); bower bird; Box turtle; cobra; cockatoo; cockroach, colt; corgi (dog); cormorant; cow; dodo (bird); doe; dog; dolphin doves; door mouse; fox; goat; goose; hog; hornet; housefly; joey (baby kangaroo); koala; komodo (dragon); locust; mole; monitor lizard; mouse; poodle; porcupine; possum; robin; rooster; sockeye (salmon); toad; vole; wombat.
Boar
Five letter words with the second and fourth letter O are:boronbosomcocoacoloncolordonorhonormoronmotorrobotrotor
Some animals that end in the letter O are:Armidillobongobroncobuffaloburrocockatoocuckoodododingodrongoflamingogeckoguanacohippohoihojuncokakapokangarookoodoolobomosquitoperro (dog in spanish)rhino
Some five letter words with the second and fifth letter O are:bongocondofolioforgolottomottopoliorodeotorso
Some five letter words with second letter O and fourth letter E are:bogeybowelbowercometcovencoverdowelhotellosermodelmowernoseynovelpowerrover
Some four letter words with second letter U and fourth letter O are:autoeurojudokudoouzo
The second letter of the word zoom is an o.
Five letter words with the second and fourth letter O are:boronbosomcocoacoloncolordonorhonormoronmotorrobotrotor
Some animals that end in the letter O are:Armidillobongobroncobuffaloburrocockatoocuckoodododingodrongoflamingogeckoguanacohippohoihojuncokakapokangarookoodoolobomosquitoperro (dog in spanish)rhino
The second letter of zoom is 'O'
Some five letter words with the second and fifth letter O are:bongocondofolioforgolottomottopoliorodeotorso
Some five letter words with second letter O and fourth letter E are:bogeybowelbowercometcovencoverdowelhotellosermodelmowernoseynovelpowerrover
Some four letter words with second letter U and fourth letter O are:autoeurojudokudoouzo
Some five letter words with O and M as the second and third letter are:combocometcommacomicdomedhomerhomeymommynomadoomphromanromeorompervomitwomanwomen
Lake HURONSome words that have O as the second to last letter are:actorarborardorbloombroomcolordroopgloomgroomheronfloorfurormajormayormelonmoronmotorproofrumorsalonshootspoontumorvalorvaporwhoop
Moon and Noon both have a second letter as o and the forth letter n. So does "noun"
orca
cottage