africa
african
aggressive
amphibious
amphibius
animal
aquatic
big
conservation
danger
dangerous
eye
fat
grass
head
herbivore
hippo
hippopotamus
horizontal
huge
lake
large
life
mammal
massive
mouth
natural
nature
outdoor
park
pink
portrait
reserve
river
safari
sleeping
small
south
water
white
wild
wilderness
wildlife
wildness
young