africa
amphibious
animal
aquatic
background
big
brown
cell
color
complexion
danger
dangerous
eye
head
herbivore
herbivorous
hippo
hippopotamus
horse
large
laughing
leather
love
mammal
massive
natural
nature
obese
one
pattern
pore
portrait
protect
protection
river
rugged
skin
species
surface
texture
thick
water
wet
wild
wilderness
wildlife
wrinkles
zoo