animal
animal foot
animal toe
arid
background
beast
brown
change
clay
cleft
climate
country
cracked
crevice
damp
dirt
dirty
drain
dry out
evidence
fissure
footprint
hunting
land
leg
loam
mire
mud
ocher
pattern
paw
peel
predator
rough
rugged
shape
soil
split
surface
texture
trace
track
trail
waterless
wet
wetland
wild
wilderness
wildlife
yellow