hare
fast
gazelle
faster
cheetah
fastest
A gazelle is faster than a hare.
A cheetah is the fastest.
tortoise
slow
sloth
slower
snail
slowest
A sloth is slower than a tortoise.
A snail is the slowest.
crocodile
big
giant squid
bigger
blue whale
biggest
A giant squid is bigger than a crocodile.
A blue whale is the biggest.
squirrel
small
mouse
smaller
gecko
smallest
A mouse is smaller than a squirrel.
A gecko is the smallest.