Some animals that are 6 letters long are:beaverbadgerbobcatcattlecougardonkeyfalconferretgannetgerbiliguanajaguarlizardlocustmonkeyocelototterparrotpuffinpigeonrabbitrodentspongeturtleweevil
Kangaroo has 8 letters
bearbirdbullcrowdeerdoveduckfishfroggoatlionmolepumatoadswanwrenwolf
Whale,
Bison
Pixie - which is actually 5 letters.
Some animals that are 6 letters long are:beaverbadgerbobcatcattlecougardonkeyfalconferretgannetgerbiliguanajaguarlizardlocustmonkeyocelototterparrotpuffinpigeonrabbitrodentspongeturtleweevil
Some animals that are 6 letters long are:beaverbadgerbobcatcattlecougardonkeyfalconferretgannetgerbiliguanajaguarlizardlocustmonkeyocelototterparrotpuffinpigeonrabbitrodentspongeturtleweevil
Kangaroo has 8 letters
davidblack
bearbirdbullcrowdeerdoveduckfishfroggoatlionmolepumatoadswanwrenwolf
alpacabeaverbobcatcougardonkeyferretgibbonmonkeypoodlerabbit
Whale,
wildfowl
pandas
Bison
anaconda