africa
aggressive
amphibius
animal
aquatic
background
big
body
brown
common
conservation
creature
danger
endangered
eye
fat
fauna
female
grass
head
heavy
herbivore
hippo
hippopotamus
huge
lake
land
large
mammal
massive
mouth
nature
outdoor
park
portrait
reserve
river
safari
south
swim
tooth
tourism
vertebrate
water
wet
wild
wilderness
wildlife
young
zoo