Category: Outdoors

Discovering the Fascinating Long-Nosed Leopard Lizard

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Introduction:

The world of reptiles is home to a plethora of unique and captivating species, and one that stands out is the long-nosed leopard lizard. With its distinct appearance and impressive adaptations, this lizard has gained attention from researchers and reptile enthusiasts alike. Following is the world of the long-nosed leopard lizard, exploring its characteristics, habitat, behavior, and conservation status.

Appearance and Characteristics:

The long-nosed leopard lizard, scientifically known as Gambelia wislizenii, is a species native to the arid regions of the southwestern United States and northwestern Mexico. It is named after its long and slender snout, which aids in catching prey and digging into the sandy soil where it resides. This lizard typically measures around 5 to 7 inches in length, with females being slightly larger than males.

Habitat and Distribution:

Long-nosed leopard lizards are primarily found in desert grasslands, sagebrush scrub, and sandy habitats. They prefer areas with loose soil, allowing them to burrow and seek refuge from predators and extreme temperatures. Their range includes parts of Arizona, New Mexico, Nevada, Utah, and California, as well as the Mexican states of Sonora and Baja California.

Behavior and Diet:

As diurnal creatures, long-nosed leopard lizards are most active during the day, basking in the sun to regulate their body temperature. They are skilled hunters, relying on their excellent eyesight and lightning-fast reflexes to catch prey, which primarily consists of insects, spiders, and other small invertebrates. These lizards are known for their agility and can swiftly maneuver in pursuit of their prey.

Reproduction and Life Cycle:

Breeding season for long-nosed leopard lizards usually occurs in the spring, with males engaging in territorial displays to attract females. Female lizards lay their eggs in shallow burrows, where they are protected from extreme temperatures and potential predators. After an incubation period of approximately two months, the hatchlings emerge, ready to explore their desert surroundings.

Conservation Status:

Unfortunately, the long-nosed leopard lizard faces several threats to its survival. Habitat loss due to urbanization and agriculture has significantly impacted their populations. Additionally, the introduction of non-native species and climate change pose further challenges. As a result, the long-nosed leopard lizard is categorized as a species of concern and is protected under state and federal legislation.

Conclusion:

The long-nosed leopard lizard is a remarkable reptile that has adapted to thrive in the harsh desert environments of the southwestern United States and northwestern Mexico. Its distinct appearance, agile behavior, and unique adaptations make it a fascinating subject for researchers and reptile enthusiasts. However, with increasing human activities and environmental changes, it is crucial to raise awareness and take measures to conserve this remarkable species for future generations to appreciate and study.

The Sidewinder Rattlesnake: A Master of Adaptation

Introduction:

The Sidewinder rattlesnake, scientifically known as Crotalus cerastes, is a fascinating rattlesnake species that calls North America home. Renowned for its unique sidewinding locomotion and distinctive rattling tail, this snake has captivated researchers and nature enthusiasts alike. Let us explore the fascinating world of the Sidewinder rattlesnake. We will examine its physical characteristics, habitat, behavior, and remarkable ability to adapt to the harsh desert environment.

Physical Characteristics:

The Sidewinder rattlesnake is a medium-sized venomous snake, typically measuring 2 to 3 feet long. One of its most notable features is the presence of horn-like scales above its eyes, known as supraocular scales, which provide protection and aid in camouflage. Its coloration varies, blending perfectly with the sandy desert surroundings, ranging from light tan to reddish-brown. The Sidewinder also possesses a triangular-shaped head, heat-sensing pits on each side of the face, and a segmented rattle at the end of its tail, which it uses as a warning signal.

Habitat and Range:

This species of rattlesnake is predominantly found in the arid regions of the southwestern United States and northern Mexico. It thrives in sandy deserts, dunes, and scrublands, where it has evolved to withstand extremely high temperatures and scarce water sources. The Sidewinder has also been known to inhabit rocky outcrops and areas with sparse vegetation, displaying its remarkable adaptability to a range of desert environments.

Behavior and Hunting:

The Sidewinder rattlesnake is primarily nocturnal, preferring to venture out under the cover of darkness when temperatures are cooler. By utilizing its unique sidewinding locomotion, the snake is able to traverse the shifting sand with ease, leaving distinctive J-shaped tracks behind. This sidewinding behavior minimizes the snake’s contact with the hot desert surface, reducing the risk of overheating.

Regarding hunting, the Sidewinder relies on its exceptional camouflage and heat-sensing pits to locate its prey, primarily consisting of small rodents, lizards, and birds. Once a potential meal is detected, the Sidewinder strikes with precision, injecting venom into its prey to immobilize it before swallowing it whole.

Adaptations to the Desert Environment:

Surviving in the harsh desert environment requires remarkable adaptations, and the Sidewinder rattlesnake has evolved several strategies to cope with the challenges it faces. One such adaptation is its ability to burrow into the sand, seeking refuge from extreme temperatures and predators. By burying itself, the Sidewinder can regulate its body temperature and remain hidden from potential threats.

Furthermore, the scales of the Sidewinder are specialized to enhance its ability to move on loose sand. The keeled scales on its belly provide additional traction, allowing the snake to sidewind efficiently. This unique mode of locomotion also reduces the surface area in contact with the hot sand, preventing excess heat absorption.

Conclusion:

The Sidewinder rattlesnake is a fascinating creature that has mastered the art of survival in the desert. Its extraordinary adaptations, including sidewinding locomotion, remarkable camouflage, and ability to burrow, make it a true desert icon. While maintaining a respectful distance from this venomous snake is crucial, appreciating its remarkable abilities and the role it plays in the delicate desert ecosystem is equally important. The Sidewinder serves as a reminder of the incredible diversity and resilience of life in even the harshest environments.

w.feller – 2023

Wrong-Way River

by walter feller

Mojave River

In 1852 a survey was made of the southwestern edge of the Mojave Desert. The Old Spanish Trail # had become a wagon road bringing thousands of pioneers to the west and developed as a supply route between Los Angeles and Salt Lake City. The survey was as accurate as any at that time and followed the trail from near the top of the Cajon Pass to a point where the trail leaves the Mojave River near Fishponds. The trail to Salt Lake continues north as we know it, but the river flowing east on this map bears southeast and empties into the Colorado River. At the time it was thought the Mojave (spelled Mohahve on the map) River followed this course. It did not. There was no Mojave Road in 1852 and not many Americans had traversed that portion of the desert. As we now know the Mojave River cuts through Afton Canyon and then disappears into the sink of the Mojave before it reaches Soda Lake.

The Williamson survey the next year in 1853 begins to correct the true ancient course of the river as it would have found its way to converge with the Amargosa River and empty into Death Valley’s Lake Manly via Soda Lake, Silver Lake, Silurian Lake, and Salt Springs.

-End –

Protecting the Mojave in 1974

Los Angeles Herald Examiner Photo Collection
Howell, E. Bruce – 1974

Photograph caption dated April 3, 1974 reads, “Shy desert tortoise curls up inside his shell on top of a groove left in desert sand by motorcycle on the Stoddard Valley off-road vehicle racing area of Barstow. Already legally protected as an endangered species, environmentalists and scientists say the threat is heightened along with other desert life by off-road vehicle activities.”

Photograph caption dated April 3, 1974 reads, “Environmentalist group that recently toured the Mojave Desert to show evidence of damage done by indiscriminate use of off-road vehicle say they believe holes on this live desert tortoise shell were caused by bullets.”

Photograph caption dated April 3, 1974 reads, “Tiny marker planted in Mojave Desert at Stoddard Valley, marks U.S. Bureau of Land Management boundary separating approved off-road vehicle race course from a restricted area. Heavy tire tracks on both sides of marker indicate that such markers are virtually ignored, except by desert visitors with guns, who have riddled them with bullets.”

Photograph caption dated April 3, 1974 reads, “Stoddard Valley on Mojave Desert near Barstow, despite its vast openness is a continuous maze of off-road vehicle tire tracks. Federal plan for managing off-road vehicle use on desert has left it open for off-road vehicle races and closed other areas. But environmentalists and scientists say regulations for restricted areas are too vague and open to this kind of damage.”

Photograph caption dated April 3, 1974 reads, “These people seek to defend the vast Mojave Desert from a federal program that regulates off-road vehicles. They claim regulations are vague, unenforceable, and could open the desert to extensive off-road vehicle damage. From left are UC Riverside professors Bill Mayhew, zoology; Sylvia Broadbent, anthropology; and Richard E. Gutting, Jr., attorney for Environmental Defense Fund.”

Photograph caption dated April 3, 1974 reads, “Judith Winder, staffer for Environmental Defense Fund, sketches petroglyph of longhorn sheep from rock in Inscription Canyon.”

Photograph caption dated April 3, 1974 reads, “Hand of UC Riverside anthropology professor, Sylvia Broadbent, points out recent chisel mark at bottom of a chipped out section of volcanic rock which had an ancient Indian carving on it. Such damage to antiquities, which is widespread in the Mojave Desert is illegal. This damage was in Inscription Canyon near Barstow.”

Photograph caption dated April 3, 1974 reads, “Richard E. Gutting, Jr., kneeling, attorney for Environmental Defense Fund, and UC Riverside anthropology professor Sylvia Broadbent, examine off-road vehicle dislocation of ‘desert pavement,’ a dark, rocky covering on desert floor which takes thousands of years to form but is important to the natural balance of desert life. Light swath was made by off-road vehicle race.”

Photograph caption dated April 3, 1974 reads, “Off-road vehicle race course touring party gathers at scene of ancient Indian sleeping circle (foreground), a circular formation of larger rocks in midst of small ones, which anthropologists say were foundations for shelters built by prehistoric Indians. All such sites, they assert, should be protected.”

Photograph caption dated April 3, 1974 reads, “Not just ordinary boulders, these, according to Dr. Sylvia Broadbent, UC Riverside anthropology professor, who said there is no question that the slightly concave rock in the upper half of photo was worn that way by ancient Indians grinding grain and marks on the surface of the rock in the lower photo were also made by the same Indians.”

Photograph caption dated April 3, 1974 reads, “Petroglyphs, ancient Indian rock art, abound on the walls of Inscription Canyon near Barstow. Archaeologists look upon them as valuable keys to unlocking the secrets of prehistoric peoples who inhabited the vast Mojave Desert, but complain they are being destroyed by desert visitors at an alarming rate.”

Photograph caption dated April 3, 1974 reads, “He calls the Mojave Desert ‘home.’ Desert lizard suns itself on dark, porous volcanic rock in Inscription Canyon. Same rocks are covered with ancient Indian petroglyphs, and rock art carvings, indicating the canyon may have been where Indians trapped and captured longhorn sheep and other desert game. The entire canyon is falling victim to vandals and souvenir hunters.”


January 2022 Edits

Canada Geese at Saratoga Springs, Death Valley National Park

Owl Canyon

Owl Canyon

Owl Canyon

Apple Valley, Ca.

Ambient Sunrise

Coxcomb Mountains

Apple Valley – Joshua Tree Forest

Zzyzx – Desert Studies Center

Techatticup Mine – Eldorado Canyon, Nelson, Nevada – 3/2015

Nelson, Nevada – 3/2015

Lucerne Dry Lake

Tomorrow’s Sunrise

Wild Places – Cougar Buttes

The high country is different than the low country. The high country is higher and of course the low country, lower.

Petroglyphs – February 2011

Soggy Dry Lake

Soggy Dry Lake – Johnson Valley

Playa formation – “A playa is a dry, vegetation-free, flat area at the lowest part of an undrained desert basin. It is a location where ephemeral lakes form during wet periods, and is underlain by stratified clay, silt, and sand, and commonly, soluble salts. Playas occur in intermountain basins throughout the arid southwestern United States. Although playas may appear as featureless plains, they are rich in features and characteristics that can reveal information about climates, past and present. “