Mojave prickly pear ( Opuntia erinacea )

Mojave prickly pear ( Opuntia erinacea ), or grizzlybear prickly pear, is a fairly common cactus with a wide spread distribution across the desert south. Although their are varieties, this cactus is characterized by the high density of its spines. The spines may be white or pale yellow and reddish in color at the base. The spines may vary is length between one and seven inches in length.

Mojave prickly pear ( Opuntia erinacea )
Mojave prickly pear ( Opuntia erinacea )

The pads of this cactus are medium in size at three to fives inches across and grey-green in appearance. The plant flowers in the spring between May and July. The flowers boast color varieties of yellow to rose.

The cactus is low lying and grows in medium sized clumps which are no more the two feet in height. The reach of the cacti is known to grow up to ten feet across. This plant flourishes in Creosote Bush Scrub, Pinyon-Juniper and Joshua Tree woodlands and are known to grow at up to 7,000 feet in elevation. Typically, this plant is found in well-drained, sandy or gravel soil types. They can be found in washes, canyons and along the slopes of lower mountains.

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Arizona Thistle ( Cirsium arizonicum )

Arizona Thistle ( Cirsium arizonicum ) is a member of the sunflower family and common across the south west. The thistle has a two year live span. For the first year, it thrives as a low lying rosette of thorns. The second year of life, the plant springs into action and can grow up to four feet tall and grows a flower stalk to hold a purple colored flower head high into the air. The flower is known to bloom in red, pink and purple in color.

Arizona Thistle (Cirsium arizonicum)
Arizona Thistle (Cirsium arizonicum)
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Greater Roadrunner (Geococcyx californianus)

A member of the cuckoo family, the long legged Greater Roadrunner (Geococcyx californianus) is an icon of the desert southwest in part to the artistic efforts of Warner Brothers and their animated series featuring “Wile E Coyote”. Road runners are aptly named and may reach a top speed of 26 mph on the ground. Anyone who attempts to stalk them will note their speed and agility as they effortlessly out distance the stalker.

Greater Roadrunner (Geococcyx californianus)
Greater Roadrunner (Geococcyx californianus)
Map data are provided by NatureServe in collaboration with Robert Ridgely, James Zook, The Nature Conservancy - Migratory Bird Program, Conservation International - CABS, World Wildlife Fund - US, and Environment Canada - WILDSPACE.
Map data are provided by NatureServe in collaboration with Robert Ridgely, James Zook, The Nature Conservancy – Migratory Bird Program, Conservation International – CABS, World Wildlife Fund – US, and Environment Canada – WILDSPACE.

The road runner is a larger bird than one might realize and typically is between 20 and 24 inches in length. The bird is typically between 10 and 12 inches in height and boasts a wing span on 17 to 24 inches. The upper body is a shade of brown with black streaks and may feature pink spots. This pattern helps break up the outline of the bird and helps provide camouflage. The lower body is commonly white or ran in appearance. The head features a prominent crest of brown features.

Despite the branding and name, the greater roadrunner is capable of flight, although it spends most of its time on the ground. This animal can be found at most elevations between -200 and 7500 feet and favors semi arid scrubland with scattered low lying vegetation. The bird spends its time hunting and stalking its prey. Once sighted prey is quickly run down by the fast legs of this peditor. Common prey items include spiders, insects, scorpions, mice, small birds and lizards and even rattlesnakes.

The greater roadrunner typically forms long pair bonds with its mate. Typically, clutches of 3 – 6 eggs are laid in the spring months. The nests of this bird are commonly found in low brush and cactus and are built by the male. Common with other cuckoos, the roadrunner are known to lay eggs in the nests of other birds, such as the raven.

Field Guide Description

“A large, ground-dwelling cuckoo streaked with brown and white. Note the long, heavy bill, conspicuous bushy crest and long, white-edged tail. Short, rounded wings show a white crescent on the primaries. Eats insects, lizards, snakes, rodents and small birds. Song is a dovelike cooing, descending in pitch. Range: Common in scrub desert and mesquite groves; less common in chaparral and open woodland.”

Field Guide to the Birds of North America, Third Edition, pg 244

Classification

KingdomAnimalia
PhylumChordata
ClassAves
OrderCuculiformes
FamilyCuculidae
Genus Geococcyx
Speciescalifornianus

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Western Fence Lizard (Sceloporus occidentalis )

The Western Fence Lizard ( Sceloporus occidentalis ) is perhaps one of the most common lizards in the desert southwest and is also known as a “Blue belly”. Perhaps this commonality is the reason for its name. The Western Fence lizard is found in a variety of habitats and common at elevations up to 10,800 feet. They can be located in forests, desert sage, farmlands and grasslands. This species is typically not found in harsh desert climates and moist forests.

Western Fence Lizard
Western Fence Lizard

This animal is typically between 2 inches and 3.5 inches in length. They are typically black to brown in colors with stripes on their backs. They have blue colored patches on their ventral abdomen. This reptiles will lay clutches of eggs between 3 and 17 eggs in the spring between April and July. The eggs will hatch within two months of feralization.

This animal are known to eat insects including ant, beetles, flies, spiders and some caterpillars. They typically can be found sunning themselves on rocks, fences and paths. The are a prey item for other animals including larger lizards, birds and also some a mammals. As is common with most reptiles, the lizard is known to hibernate in cooler winter months.

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Desert Tarantula (Aphonopelma iodius)

Desert Tarantula (Aphonopelma iodius)
Desert Tarantula (Aphonopelma iodius)

A favorite cast member of horror stories and adventure movies, the Desert Tarantula (Aphonopelma iodius) is a valuable member of the desert habitat and community. Although their relatively large size can be intimidating, they are reasonably harmless to humans, and their bite is along the lines of a bee sting. This hairy arachnid is known to live in the desert of California, Nevada, Arizona and Utah and have a life span of 25 to 40 years

A member of the Arachnid Class of animals, tarantulas come equipped with eight legs, fangs and compound eyes. There body and legs are covered in short hairs and their overall size is typically between three and inches. This class of animals also include scorpions, mites and crabs. The long legs of the Desert Tarantulas equip the animal with amazing mobility over the hostile terrain of the desert southwest.

A nocturnal hunter, this spider lives on just about any animal of the correct proportion including small lizards, grasshoppers, beetles and other small insects. Like almost any other animal, the are a good food source for the tarantula hawks, lizards, snakes birds, coyotes and other small animals. The live in under ground burrows which offer protection from predator’s and heat. Their burrows are typically 6 in 8 inches in depth and are lined with silk to prevent collapse. The burrow opening will be closed in with silk when the animal is in residence.

This species of tarantula is known by may common names including Great Basin blonde, Fresno County blonde, Desert Tarantula, Salt Lake City Brown, Northern Blonde. Some more adventurous people will even keep these animals as pets.

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Classification

Kingdom:Animalia
Phylum:Arthropoda
Subphylum:Chelicerata
Class:Arachnida
Order:Araneae
Infraorder:Mygalomorphae
Family:Theraphosidae
Genus:Aphonopelma
Species:A. iodius