ancient
animal
animals
beak
beaks
bone
bony
brown
ceratopsid
cretaceous
dinosaur
dinosaurs
eater
eye
foliage
forest
frill
green
herbivore
horn
horned
horns
horny
jungle
leaves
natural
nature
outdoor
outdoors
paleontology
period
plant
planteater
plants
prehistoric
red
reptile
reptiles
scaled
scales
science
spike
styracosaur
styracosaurus
teeth
vegetation
yellow