jaguars, jerboas
Jack
jellyfish
Jaguar Porcupine
· Jack Rabbit
quail
Sorry there are none
Jaguar Ulysses Butterfly
Jack Russell Terrier Jackdaw
joey
Extinct animals that begin with the letter J would include the Japanese River Otter, the Japanese Sea Lion, the Javan Tiger which was native to Indonesia and Jefferson's Ground Sloth which were native to the USA and Canada.
Some clothes that begin with the letter J are:jacketjeansjumper
Jack rabbits