rock rattlesnake
Crotalus lepidus
Baja California
Baja California Peninsula
Lower California
Wheeler Peak
Jemez
Sacramento Mountains
Iztaccíhuatl
Centennial State
Colorado
CO
Colo.
Mount Washington
Guanajuato
Gem State
Idaho
Cascade Range
ID
Id.
Chlorura chlorura
Sierra Madre Occidental
green-tailed towhee
Rockies
rockland
Bighorn Mountains
Pine Mountain
Popocatépetl
scar
tor
Andes
Cascades
Cascade Mountains
rockmass
Mephitis macroura
Yucatan
hooded skunk
boulderstone
Yoro
Coahuila
Andean Mountains
Andean
Quintana Roo
mountain skink
Eumeces callicephalus
Chihuahua
country rock
midmountain
Chihuahuan Desert
talus
Sierra Nevada
Durango City
Dakota Formation
Victoria de Durango
Big Sur
Casper
Urosaurus ornatus
tree lizard
Nogales
mountained
scree
Durango
Colima
Guiana
Volcan de Colima
ridgeline
endolithic
Mount Diablo
Nevado de Colima
Longs Peak
crag
transmountain
Yandang
leopard lizard
Wasatch
Nayarit
precipice
Erodium texanum
siliciclastic
allochemical
rockbound
Hozomeen
clifftop
Texas storksbill
cliffside
Puebla City
Rocky Mountains
Azcapotzalco
Puebla de Zaragoza
Vulcan
outthrust
Boulderite
Puebla
gendarme
Heroica Puebla de Zaragoza