The ~Texas~ Mustang Project's Blog

Working for better management options and cohabitation through compromise and communication for the American Wild Mustang

Upcoming Gathers… Info

Posted by Texas Mustang Project on January 27, 2010

Side notes of interest:    

The following lists the tentatively scheduled gathers starting with Calico and going through to Black Mountain in March 2010. The title is hyperlinked to the BLM webpage where this information can be found. As well, each BLM field office listed in the last column is hyperlinked to that office’s webpage.   

 Tentative Gather Schedule FY2010  

HMA Dates Gather Remove Field Office
Calico Mountains Complex 12/28/09 – 2/28/10 2,787 2,523 Winnemucca, NV
McGavin Peak 1/24/10 -1/29/10 20 20 Alturas, CA
Eagle 2/7/10 – 2/20/10 727 643 Ely, NV
Cibola-Trigo 3/4/10 – 3/10/10 90 90 Yuma, AZ
Hickison 3/2/10 – 3/15/10 92 75 Battle Mountain, NV
Alamo 3/11/10 – 3/14/10 35 35 Lake Havasu, AZ
Black Mountain 3/10/10 – 3/15/10 100 100 Kingman, AZ

BLM Field Office Contact Info for Antelope Gather…  Schell Field Office
702 North Industrial Way, HC 33 Box 33500
Ely, NV 89301
Phone: 775-289-1800 
Fax: 775-289-1910
Office hours: 7:30 am-4:30 pm, M-F
Field Manager: Mary D’Aversa

 Wells Field Office
3900 E. Idaho Street
Elko, NV 89801
Phone: 775-753-0200
Fax: 775-753-0385
Office hours: 7:30 am-4:30 pm, M-F
Field Manager: Bryan Fuell

 Antelope Range Wildlife Water Development Preliminary Environmental Assessment BLM Press Release, Antelope HMA Gather… 

Release Date: 01/13/10  
Contacts:   Bruce Thompson , Wild Horse and Burro Specialist , 775-753-0286
News Release No. 2010-11
 BLM Seeks Public Comment on Proposed Antelope Complex Wild Horse Gather
 Elko, Nev. — The Wells and Schell Field Offices of the Bureau of Land Management’s (BLM) Elko and Ely District Offices are seeking public input for the preparation of a preliminary environmental assessment (EA) that will address the need to reduce wild horse populations to the appropriate management levels of 471 to 788 animals within the Antelope Complex of four herd management areas (HMAs) in northeastern Nevada. The BLM will accept comments until January 27, 2010. An additional opportunity for public comment will be available when the preliminary EA is released for public review.The Antelope Complex includes the Antelope, Antelope Valley, Goshute, and Spruce/Pequop HMAs. The EA will examine the need to remove 1,506 excess wild horses to improve rangeland health and to preserve the health of the wild horse herds in these areas.The proposed gather would be conducted later this summer or fall. The gather is needed to protect public rangeland from undue degradation caused by excessive numbers of wild horses and to protect herd health by insuring adequate forage resources are available. The post-gather population of 471 wild horses would represent the lower limit of the appropriate management level (AML) and should allow the herd to grow to the upper limit of 788 animals over a four-year period without the need for additional gathers to remove excess animals in the interim.To lengthen the time before a future gather may be required, BLM is also considering the implementation of fertility control treatments and male-to-female ratio adjustments as part of this gather. Approximately 236 mares released may receive the fertility control vaccine.The BLM is seeking any information, data, analysis, issues or concerns about this proposed gather and removal of wild horses. Information and comments received by Jan. 27 will be used to develop the preliminary EA. Comments may be submitted in writing to: BLM Wells Field Office, Attention: Wells Field Office Manager, 3900 Idaho Street, Elko, NV 89801. For more information, contact Bruce Thompson, Wild Horse and Burro Specialist at 775-753-0286. The BLM manages more land – 253 million acres – than any other Federal agency. This land, known as the National System of Public Lands, is primarily located in 12 Western states, including Alaska. The Bureau, with a budget of about $1 billion, also administers 700 million acres of sub-surface mineral estate throughout the nation. The BLM’s multiple-use mission is to sustain the health and productivity of the public lands for the use and enjoyment of present and future generations. The Bureau accomplishes this by managing such activities as outdoor recreation, livestock grazing, mineral development, and energy production, and by conserving natural, historical, cultural, and other resources on public lands.

Cibola-Trigo Burro Gather Still trying to track down the EA for this gather, will post as soon as I find it. If anyone knows where it is, send it my way. T. Colorado River District
Becky Heick, District Manager
Yuma Field Office
Todd Shoaff, Field Manager
2555 E. Gila Ridge Road
Yuma, AZ  85365
Phone: 928-317-3200
Fax 928-317-3250

From the BLM Arizone Website, History and Data of the Cibola-Trigo HMA  


Herd Management Area (HMA) extends from Imperial Dam, west of the Colorado River, to Walters Camp in California. Located primarily between U.S. Highway 95 and the Colorado River, and Interstates 8 and 10, the HMA is about 20 miles north of Yuma, Arizona. Cibola-TrigoLocation: Reaching across the border of Arizona and California, the 


  Size: This area is large, with the HMA comprised of nearly one million acres in the lower Sonoran Desert.  


Habitat: In Arizona, the Cibola-Trigo HMA supports both wild burros and horses. Meanwhile in southwestern California, only the burros roam between the river and the Chocolate/Mules and Picacho HMAs. In California, the HMA is dominated by intricately dissected alluvial fans and bajadas adjacent to the Colorado River. The upland soils support sparse stands of creosote, ocotillo and palo verde. The many waterways emptying into the river provide life to dense stands of desert trees including palo verde, ironwood, catclaw acacia and mesquite. Sitting along the river are thick stands of sale cedare, phragmites and arrow weed. Moving away from the river, the bajadas give way to rugged volcanic mountains.   

 Winters in the HMA are typically mild, but summers can be dangerous, with temperatures exceeding a thermometer breaking 125 degrees. Wild burros share this habitat with desert bighorn sheep and desert mule deer. Other animals living here include the desert tortoise, rattlesnakes and a variety of birds and lizards.   

History: Wild burros were most likely introduced into this area in the mid-1800s. As mining booms went bus and alternate transportation became available, the wild burros were left to fend for themselves.   

 Wild horses have a more recent history. These animals probably escaped or were released as ranch horses when the river was channeled in the 1940s. There are several Appaloosa studs thriving in the Arizona portion of the HMA, contributing to the color diversity of the herd. In fact, this line may be a continuation from the first-ever Appaloosa stud in the area.    

 burrosPopulation: Burros evolved in the harsh deserts of North Africa and are very well adapted to the dry desert environment. Let alone in this remote region with few natural predators, the wild burro population flourished. Today, the burro population here numbers approximately 165. The burros found here are typically grey in color and are fairly fine boned. They average about 350 to 400 pounds and 40 inches in height.   

 During the summer months, the burros congregate along the Colorado River or other water sources. In late fall and early winter, depending upon rainfall, the burros disperse across the HMA. They begin their move back to the river in May or early June, and temperatures rise and the mesquite beans ripen. The wild horses remain near a permanent water source year round. There are some 120 wild horses within the HMA.   

 Management: The wild burros and horses living in the Cibola-Trigo HMA are managed in an ecological balance within their habitat to protect the forage plants. This ensures that there is plenty of feed for the burros, as well as other wildlife species. When the population exceeds the Appropriate Management Level, determined through vegetative monitoring studies, the BLM removes some of the animals and offers them to the public through its Adopt a Wild Horse of Burro Program.     

Office Contact:
Yuma Field Office
2555 East Gila Ridge Road
Yuma, Arizona  85365
(928) 317-3200


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