Here is a list of different animals that start with the letter J.
Jabiru
Jacana
Jack Crevalle
Jack Russells
Jack-Chi
Jackabee
Jackal
Jackdaw
Jackrabbit
Jackson’s Chameleon
Jagdterrier
Jaguar
Jaguarundi Cat
Jamaican Boa
Jamaican Iguana
Japanese Bantam Chicken
Japanese Beetle
Japanese Chin
Japanese Macaque
Japanese rat snake
Japanese Spitz
Japanese Squirrel
Japanese Terrier
Javan Leopard
Javan Rhinoceros
Javanese
Jellyfish
Jerboa
Jewel Beetle
John Dory
Jonah Crab
Joro Spider
Josephoartigasia monesi
Jumping Spider
Jungle Carpet Python
Junglefowl