Kangaroo
Kangaroo has 8 letters
Parakeet, pheasant and porpoise are animals. They contain 8 letters.
scorpian
Aardvark Antelope
marjoram
flying squirrel, Tasmanian devil, snowshoe rabbit
There are hundreds of animals that end with the letters -er. Hamster and anteater are two animals that end in -er.
airedale (dog)
Animalia- the family including all animals.
A letter cannot have "8 letters" in it.
Law suits
Some animals that are 6 letters long are:beaverbadgerbobcatcattlecougardonkeyfalconferretgannetgerbiliguanajaguarlizardlocustmonkeyocelototterparrotpuffinpigeonrabbitrodentspongeturtleweevil