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