Big Bend National Park
Jim West/science Photo Library
Big Bend National Park #2
Jim West/science Photo Library
Big Bend National Park #1
Jim West/science Photo Library
Ernst Tinaja Water Pools
Bob Gibbons/science Photo Library
Balancing Rocks
Bob Gibbons/science Photo Library
Desert Evening Primrose (oenothera Primiveris)
Bob Gibbons/science Photo Library
Beaked Yucca Plant (yucca Rostrata)
Dr. Nick Kurzenko/science Photo Library
Rio Grande River
Bob Gibbons/science Photo Library
Rio Grande In Boquillas Canyon
Bob Gibbons/science Photo Library
Rio Grande In Boquillas Canyon
Jim West
Tuff Canyon
Bob Gibbons/science Photo Library
Creosote Bushes (larrea Tridentata)
Bob Gibbons/science Photo Library
Long-billed Thrasher
Bob Gibbons/science Photo Library
Bicoloured Fanmustard (nerisyrenia Camporum)
Bob Gibbons/science Photo Library
Desert Marigold (baileya Multiradiata)
Bob Gibbons/science Photo Library
Pond Slider
Luis Montanya/marta Montanya/science Photo Library
Mexican Pinyon Pine (pinus Cembroides)
Bob Gibbons/science Photo Library
Juniper Mistletoe (phoradendron Juniperinum)
Bob Gibbons/science Photo Library
Spanish Dagger (yucca Faxoniana)
Bob Gibbons/science Photo Library
Alligator Juniper (juniperus Deppeana)
Bob Gibbons/science Photo Library
Naked Turtleback (psathyrotes Scaposa)
Bob Gibbons/science Photo Library
Desert Vegetation
Bob Gibbons/science Photo Library
Great Kiskadee #1
Bob Gibbons/science Photo Library
Alligator Juniper (juniperus Deppeana) #1
Bob Gibbons/science Photo Library
Eroded Canyon
Bob Gibbons/science Photo Library
Rio Grande River At Dusk
Jim West/science Photo Library
Mid-altitude Desert
Bob Gibbons/science Photo Library
Chihuahuan Desert
Bob Gibbons/science Photo Library