Here is a list of different animals that start with the letter N.
Nabarlek
Naegleria
Naked Mole Rat
Narwhal
Natterjack
Nautilus
Neanderthal
Neapolitan Mastiff
Nebelung
Needlefish
Nelore Cattle
Neon Tetra
Neptune Grouper
Netherland Dwarf Rabbit
New Hampshire Red Chicken
Newfoundland
Newfypoo
Newt
Nguni Cattle
Nicobar pigeon
Nigerian Goat
Night Adder
Night Heron
Night Snake
Nightingale
Nightjar
Nile Crocodile
Nile Perch
Nilgai
No See Ums
Norfolk Terrier
Norrbottenspets
North American Black Bear
Northern Alligator Lizard
Northern Cardinal
Northern Flicker
Northern Fur Seal
Northern Harrier
Northern Inuit Dog
Northern Jacana
Northern Parula
Northern Potoo
Northern Screamer
Northern Water Snake
Norway Rat
Norwegian Buhund
Norwegian Elkhound
Norwegian Forest
Norwegian Lundehund
Norwich Terrier
Nose-Horned Viper
Nova Scotia Duck Tolling Retriever
Nubian Goat
Nudibranch
Numbat
Nuralagus
Nurse Shark
Nut Weevil
Nuthatch
Nutria
Nyala