IMAGE GALLERIES:
Click on a topic, then on thumbnails for relevant pages
DESERT COMMUNITIES AND ECOLOGICAL PROCESSES:
The North American Deserts
Ecological processes
Insect galls
Human impacts
DESERT ANIMALS:
Invertebrates
Reptiles
Mammals
Birds
Aquatic animals
DESERT PLANTS:
Cacti
Other succulent plants
Desert trees
Desert shrubs
Parasites and epiphytes
Desert blooms
Other plants