Heron and horse are five letter animals. Additional animals include hyena and hyrax.
HorseHares
Harts
Hawks
Hinds
Hound
Hydra
Hyena
Hyrax
Human
Couch
hatch
Actually circulatory system- and it is H E A R T.
halma
· hospital
· Hare
holly
hedonist
hippopotimus
'Hare' is a four letter word for an animal, that starts with the letter 'H'.
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this word is considered a thing 5 letters 5th letter is h it also has a 3 letter word in front of it and that word starts with o