TABLE E-1 All Herd Management Areas (HMA) Sorted by Total Estimated Equid Population
Herd Management Area | Species Managed on HMA | Horse AML Higha | Estimated Horse Population | Burro AML Higha | Estimated Burro Population | Total Estimated Equid Population | State | ||
Cibola-Trigo | Both | 150 | 367 | 285 | 805 | 1,172 | AZ | ||
Twin Peaks | Both | 758 | 952 | 116 | 192 | 1,144 | CA | ||
Pancake | Horses | 493 | 1,005 | 0 | 0 | 1,005 | NV | ||
Little Owyhee | Horses | 298 | 936 | 0 | 0 | 936 | NV | ||
Adobe Town | Horses | 800 | 886 | 0 | 0 | 886 | WY | ||
Black Mountain | Horses | 0 | 0 | 478 | 800 | 800 | AZ | ||
Jackson Mountains | Horses | 217 | 660 | 0 | 0 | 660 | NV | ||
Antelope Valley | Horses | 259 | 608 | 0 | 0 | 608 | NV | ||
Clan Alpine | Horses | 979 | 560 | 0 | 0 | 560 | NV | ||
Desatoya | Horses | 180 | 543 | 0 | 0 | 543 | NV | ||
Beatys Butte | Horses | 250 | 532 | 0 | 0 | 532 | OR | ||
Eagle | Horses | 210 | 522 | 0 | 0 | 522 | NV | ||
Wassuk | Horses | 165 | 519 | 0 | 0 | 519 | NV | ||
Wheeler Pass | Both | 66 | 328 | 35 | 182 | 510 | NV | ||
Spruce-Pequop | Horses | 82 | 508 | 0 | 0 | 508 | NV | ||
Buffalo Hills | Horses | 314 | 498 | 0 | 0 | 498 | NV | ||
Maverick-Medicine | Horses | 276 | 489 | 0 | 0 | 489 | NV | ||
Cedar Mountain | Horses | 390 | 464 | 0 | 0 | 464 | UT | ||
New Pass-Ravenswood | Horses | 566 | 459 | 0 | 0 | 459 | NV | ||
Pilot Mountain | Horses | 415 | 442 | 0 | 0 | 442 | NV | ||
Augusta Mountains | Horses | 308 | 437 | 0 | 0 | 437 | NV | ||
Triple B | Horses | 518 | 415 | 0 | 0 | 415 | NV | ||
Lake Pleasant | Burros | 0 | 0 | 208 | 411 | 411 | AZ | ||
Muskrat Basin | Horses | 250 | 405 | 0 | 0 | 405 | WY | ||
Divide Basin | Horses | 600 | 400 | 0 | 0 | 400 | WY | ||
Snowstorm Mountains | Horses | 140 | 400 | 0 | 0 | 400 | NV | ||
Seven Troughs | Both | 156 | 298 | 46 | 88 | 386 | NV | ||
Johnnie | Burros | 0 | 86 | 108 | 290 | 376 | NV | ||
Lava Beds | Both | 148 | 340 | 16 | 22 | 362 | NV | ||
Salt Wells Creek | Horses | 365 | 360 | 0 | 0 | 360 | WY | ||
Alamo | Burros | 0 | 0 | 160 | 351 | 351 | AZ | ||
Nevada Wild Horse Range | Horses | 500 | 312 | 0 | 38 | 350 | NV | ||
Antelope | Horses | 324 | 349 | 0 | 0 | 349 | NV |
Sand Wash Basin | Horses | 362 | 327 | 0 | 0 | 327 | CO |
Challis | Horses | 253 | 322 | 0 | 0 | 322 | ID |
Sulphur | Horses | 250 | 320 | 0 | 0 | 320 | UT |
Swasey | Horses | 100 | 292 | 0 | 0 | 292 | UT |
Rock Creek | Horses | 250 | 288 | 0 | 0 | 288 | NV |
Diamond | Horses | 151 | 287 | 0 | 0 | 287 | NV |
Fox-Lake Range | Horses | 204 | 285 | 0 | 0 | 285 | NV |
Calico Mountains | Horses | 333 | 267 | 0 | 0 | 267 | NV |
Silver King | Horses | 128 | 262 | 0 | 0 | 262 | NV |
Green Mountain | Horses | 300 | 258 | 0 | 0 | 258 | WY |
North Stillwater | Horses | 205 | 255 | 0 | 0 | 255 | NV |
Big Sandy | Burros | 0 | 0 | 139 | 250 | 250 | AZ |
South Shoshone | Horses | 100 | 250 | 0 | 0 | 250 | NV |
Callaghan | Horses | 237 | 249 | 0 | 0 | 249 | NV |
Stone Cabin | Horses | 364 | 246 | 0 | 0 | 246 | NV |
Diamond Hills South | Horses | 22 | 246 | 0 | 0 | 246 | NV |
Bible Spring | Horses | 60 | 241 | 0 | 0 | 241 | UT |
South Steens | Horses | 304 | 229 | 0 | 0 | 229 | OR |
Roberts Mountain | Horses | 150 | 229 | 0 | 0 | 229 | NV |
Pine Nut Mountains | Horses | 179 | 218 | 0 | 0 | 218 | NV |
Fish Creek | Horses | 180 | 215 | 0 | 0 | 215 | NV |
Granite Range | Horses | 258 | 207 | 0 | 0 | 207 | NV |
Onaqui Mountain | Horses | 210 | 206 | 0 | 0 | 206 | UT |
White Mountain | Horses | 300 | 205 | 0 | 0 | 205 | WY |
Sand Springs West | Horses | 49 | 200 | 0 | 0 | 200 | NV |
Coyote Lake/Alvord Tules Springs | Horses | 390 | 198 | 0 | 0 | 198 | OR |
Confusion | Horses | 115 | 188 | 0 | 0 | 188 | UT |
Piceance-East Douglas Creek | Horses | 235 | 183 | 0 | 0 | 183 | CO |
Range Creek | Horses | 125 | 179 | 0 | 0 | 179 | UT |
Gold Butte | Burros | 0 | 0 | 98 | 176 | 176 | NV |
Diamond Hills North | Horses | 37 | 176 | 0 | 0 | 176 | NV |
Warm Springs Canyon | Both | 175 | 140 | 24 | 34 | 174 | NV |
Massacre Lakes | Horses | 35 | 172 | 0 | 0 | 172 | CA |
Pryor Mountain Wild Horse Range | Horses | 120 | 170 | 0 | 0 | 170 | MT |
Warm Springs | Both | 202 | 133 | 25 | 35 | 168 | OR |
Frisco | Horses | 60 | 168 | 0 | 0 | 168 | UT |
Marietta Wild Burro Range | Burros | 0 | 20 | 104 | 144 | 164 | NV |
Herd Management Area | Species Managed on HMA | Horse AML Higha | Estimated Horse Population | Burro AML Higha | Estimated Burro Population | Total Estimated Equid Population | State | ||
Sheepshead/Heath Creek | Horses | 302 | 161 | 0 | 0 | 161 | OR | ||
Bald Mountain | Horses | 215 | 160 | 0 | 0 | 160 | NV | ||
Owyhee | Horses | 231 | 156 | 0 | 0 | 156 | NV | ||
Little Fish Lake | Horses | 39 | 154 | 0 | 0 | 154 | NV | ||
Paisley Desert | Horses | 150 | 146 | 0 | 0 | 146 | OR | ||
Kamma Mountains | Horses | 77 | 146 | 0 | 0 | 146 | NV | ||
Little Book Cliffs Wild Horse Range | Horses | 150 | 145 | 0 | 0 | 145 | CO | ||
Chocolate-Mule Mountains | Burros | 0 | 0 | 133 | 144 | 144 | CA | ||
Chemehuevi | Burros | 0 | 0 | 121 | 143 | 143 | CA | ||
McCullough Peaks | Horses | 140 | 143 | 0 | 0 | 143 | WY | ||
Nightingale Mountains | Horses | 63 | 126 | 0 | 17 | 143 | NV | ||
Havasu | Burros | 0 | 0 | 166 | 142 | 142 | AZ | ||
Shawave Mountains | Horses | 73 | 140 | 0 | 0 | 140 | NV | ||
Rocky Hills | Horses | 143 | 139 | 0 | 0 | 139 | NV | ||
Dishpan Butte | Horses | 100 | 139 | 0 | 0 | 139 | WY | ||
Goshute | Horses | 123 | 136 | 0 | 0 | 136 | NV | ||
Seven Mile | Horses | 50 | 129 | 0 | 0 | 129 | NV | ||
Fox Hog | Horses | 220 | 126 | 0 | 0 | 126 | CA | ||
Stewart Creek | Horses | 175 | 124 | 0 | 0 | 124 | WY | ||
Fifteenmile | Horses | 160 | 122 | 0 | 0 | 122 | WY | ||
Conant Creek | Horses | 100 | 123 | 0 | 0 | 123 | WY | ||
Red Rock | Both | 27 | 58 | 49 | 65 | 123 | NV | ||
Saulsbury | Horses | 40 | 121 | 0 | 0 | 121 | NV | ||
Hard Trigger | Horses | 130 | 119 | 0 | 0 | 119 | ID | ||
Bullfrog | Burros | 0 | 0 | 91 | 118 | 118 | NV | ||
Montezuma Peak | Horses | 4 | 47 | 0 | 67 | 114 | NV | ||
Sinbad | Burros | 0 | 0 | 70 | 113 | 113 | UT | ||
Centennial | Horses | 34 | 40 | 0 | 69 | 109 | CA | ||
Canyon Lands | Burros | 0 | 0 | 100 | 104 | 104 | UT | ||
Reveille | Horses | 138 | 101 | 0 | 0 | 101 | NV | ||
Montgomery Pass | Horses | 80 | 100 | 0 | 0 | 100 | NV | ||
Bordo Atravesado | Horses | 60 | 96 | 0 | 0 | 96 | NM | ||
Blue Wing Mountains | Both | 36 | 63 | 28 | 32 | 95 | NV |
Carter Reservoir | Horses | 35 | 95 | 0 | 0 | 95 | CA |
Conger | Horses | 80 | 91 | 0 | 0 | 91 | UT |
Cold Spring | Horses | 150 | 90 | 0 | 0 | 90 | OR |
Buckhorn | Horses | 85 | 88 | 0 | 0 | 88 | CA |
Muddy Creek | Horses | 125 | 86 | 0 | 0 | 86 | UT |
Flanigan | Horses | 125 | 80 | 0 | 0 | 80 | NV |
Garfield Flat | Horses | 125 | 83 | 0 | 0 | 83 | NV |
Rock Creek Mountain | Horses | 86 | 83 | 0 | 0 | 83 | WY |
High Rock | Horses | 120 | 78 | 0 | 0 | 78 | CA |
Lost Creek | Horses | 82 | 77 | 0 | 0 | 77 | WY |
Antelope Hills | Horses | 82 | 76 | 0 | 0 | 76 | WY |
Silver Peak | Burros | 0 | 75 | 6 | 0 | 75 | NV |
Jackies Butte | Horses | 150 | 75 | 0 | 0 | 75 | OR |
Three Fingers | Horses | 150 | 75 | 0 | 0 | 75 | OR |
Sand Springs | Horses | 200 | 74 | 0 | 0 | 74 | OR |
Black Rock Range East | Horses | 93 | 74 | 0 | 0 | 74 | NV |
Black Rock Range West | Horses | 93 | 74 | 0 | 0 | 74 | NV |
Crooks Mountain | Horses | 85 | 72 | 0 | 0 | 72 | WY |
Little Colorado | Horses | 100 | 70 | 0 | 0 | 70 | WY |
Fort Sage | Horses | 29 | 67 | 0 | 0 | 67 | CA |
Coppersmith | Horses | 75 | 64 | 0 | 0 | 64 | CA |
Black Mountain | Horses | 60 | 61 | 0 | 0 | 61 | ID |
Cerbat Mountains | Horses | 90 | 60 | 0 | 0 | 60 | AZ |
Four Mile | Horses | 60 | 59 | 0 | 0 | 59 | UT |
Chloride Canyon | Horses | 30 | 59 | 0 | 0 | 59 | UT |
Hickison Summit | Burros | 0 | 0 | 45 | 57 | 57 | NV |
Four Mile | Horses | 60 | 54 | 0 | 0 | 54 | ID |
Murderers Creek | Horses | 35 | 53 | 0 | 0 | 53 | OR |
Kiger | Horses | 82 | 51 | 0 | 0 | 51 | OR |
Goldfield | Burros | 0 | 20 | 37 | 30 | 50 | NV |
Sand Basin | Horses | 64 | 49 | 0 | 0 | 49 | ID |
Whistler Mountain | Horses | 24 | 49 | 0 | 0 | 49 | NV |
Stinkingwater | Horses | 80 | 48 | 0 | 0 | 48 | OR |
Palomino Buttes | Horses | 64 | 47 | 0 | 0 | 47 | OR |
Tilly Creek | Horses | 50 | 46 | 0 | 0 | 46 | UT |
McGee Mountain | Burros | 0 | 0 | 41 | 45 | 45 | NV |
Pokegama | Horses | 50 | 45 | 0 | 0 | 45 | OR |
Herd Management Area | Species Managed on HMA | Horse AML Higha | Estimated Horse Population | Burro AML Higha | Estimated Burro Population | Total Estimated Equid Population | State | ||
Hog Creek | Horses | 50 | 43 | 0 | 0 | 43 | OR | ||
Spring Creek Basin | Horses | 65 | 42 | 0 | 0 | 42 | CO | ||
North Hills | Horses | 36 | 40 | 0 | 0 | 40 | UT | ||
Saylor Creek | Horses | 50 | 35 | 0 | 0 | 35 | ID | ||
Wall Canyon | Horses | 25 | 34 | 0 | 0 | 34 | CA | ||
Waucoba-Hunter Mountain | Burros | 0 | 0 | 11 | 33 | 33 | CA | ||
Riddle Mountain | Horses | 56 | 33 | 0 | 0 | 33 | OR | ||
Tobin Range | Horses | 42 | 32 | 0 | 0 | 32 | NV | ||
Nut Mountain | Horses | 55 | 31 | 0 | 0 | 31 | CA | ||
Choke Cherry | Horses | 30 | 30 | 0 | 0 | 30 | UT | ||
Fish Lake Valley | Horses | 54 | 29 | 0 | 0 | 29 | NV | ||
Round Mountain | Horses | 10 | 27 | 0 | 0 | 27 | CA | ||
Paymaster | Horses | 38 | 26 | 0 | 0 | 26 | NV | ||
New Ravendale | Horses | 25 | 24 | 0 | 0 | 24 | CA | ||
Red Rock Lakes | Horses | 25 | 23 | 0 | 0 | 23 | CA | ||
Little Humboldt | Horses | 80 | 22 | 0 | 0 | 22 | NV | ||
North Monitor | Horses | 8 | 22 | 0 | 0 | 22 | NV | ||
Hot Creek | Horses | 41 | 21 | 0 | 0 | 21 | NV | ||
Liggett Table | Horses | 25 | 20 | 0 | 0 | 20 | OR | ||
Lahontan | Horses | 10 | 20 | 0 | 0 | 20 | NV | ||
Stonewall | Burros | 0 | 0 | 8 | 19 | 19 | NV | ||
South Stillwater | Horses | 16 | 19 | 0 | 0 | 19 | NV | ||
Bitner | Horses | 25 | 15 | 0 | 0 | 15 | CA | ||
Mount Elinor | Horses | 25 | 15 | 0 | 0 | 15 | UT | ||
Dogskin Mountains | Horses | 15 | 14 | 0 | 0 | 14 | NV | ||
Carracas Mesa | Horses | 23 | 12 | 0 | 0 | 12 | NM | ||
Granite Peak | Horses | 18 | 11 | 0 | 0 | 11 | NV | ||
Kingtop | Horses | 40 | 10 | 0 | 0 | 10 | UT | ||
Gold Mountain | Burros | 0 | 8 | 78 | 1 | 9 | NV | ||
Chicago Valley | Horses | 12 | 6 | 0 | 0 | 6 | CA | ||
Muddy Mountains | 0 | 6 | 0 | 0 | 6 | NV | |||
Piper Mountain | Both | 17 | 0 | 82 | 0 | 0 | CA | ||
Horse Mountain | Horses | 95 | 0 | 0 | 0 | 0 | NV |
Palmetto | Horses | 76 | 0 | 0 | 0 | 0 | NV | ||
Lee Flat | Burros | 0 | 0 | 15 | 0 | 0 | CA | ||
Fort Sage | Horses | 36 | 0 | 0 | 0 | 0 | NV | ||
Amargosa Valley | 0 | 0 | 0 | 0 | 0 | NV | |||
Ash Meadows | 0 | 0 | 0 | 0 | 0 | NV | |||
El Dorado Mountains | 0 | 0 | 0 | 0 | 0 | NV | |||
aUpper bound of appropriate management level (AML).
SOURCE: Bureau of Land Management. 2012. Wild Horse and Burro Program Data. Available online at http://www.blm.gov/pgdata/etc/medialib/blm/wo/Planning_and_Renewable_Resources/wild_horses_and_burros/statistics_and_maps.Par.13260.File.dat/HAHMAstats2012Final.pdf. Accessed October 23, 2012.
TABLE E-2 All Horse-Only Herd Management Areas Sorted by Population-Size Estimate
Herd Management Area | Horse AML Higha | Horse AML Lowb | Estimated Horse Population | Most Recent Inventory Month-Year | Last Gather Month-Year | State | Sampled | ||
Saylor Creek | 50 | 50 | 5 | Sep-2010 | Sep-2010 | ID | |||
Chicago Valley | 12 | 0 | 6 | Jan-2011 | Oct-2010 | CA | |||
Nut Mountain | 55 | 30 | 6 | Jun-2010 | Sep-2007 | CA | |||
Carter Reservoir | 35 | 25 | 7 | Jun-2010 | Sep-2009 | CA | |||
Kingtop | 40 | 20 | 10 | Feb-2006 | Aug-2000 | UT | |||
Carracas Mesa | 23 | no low | 12 | Dec-2005 | NM | ||||
Mount Elinor | 25 | 15 | 15 | Feb-2010 | Jan-2011 | UT | |||
Fish Lake Valley | 54 | no low | 16 | Feb-2010 | Feb-2005 | NV | |||
Lahontan | 10 | 7 | 17 | Nov-2010 | Nov-2010 | NV | |||
Hot Creek | 41 | no low | 18 | Aug-2007 | Dec-2004 | NV | |||
Red Rock Lakes | 25 | 16 | 19 | Oct-2010 | Feb-2011 | CA | |||
South Stillwater | 16 | 8 | 19 | NV | |||||
New Ravendale | 25 | 10 | 20 | Nov-2009 | Sep-2009 | CA | |||
Paymaster | 38 | 23 | 20 | Feb-2010 | Oct-2006 | NV | |||
Round Mountain | 10 | 0 | 23 | Oct-2009 | CA | ||||
Liggett Table | 25 | 10 | 24 | Aug-2009 | Sep-2009 | OR | |||
Tobin Range | 42 | 25 | 26 | Sep-2010 | Nov-2009 | NV | |||
Dogskin Mountains | 15 | 10 | 30 | Apr-2010 | Dec-2005 | NV | |||
Choke Cherry | 30 | no low | 30 | Dec-2009 | Jan-2011 | UT | |||
North Monitor | 8 | no low | 31 | Sep-2007 | Aug-2005 | NV | |||
North Hills | 36 | 12 | 33 | Feb-2011 | Dec-2010 | UT | |||
Fort Sage | 29 | 24 | 34 | Sep-2008 | Sep-1998 | CA | |||
Hog Creek | 50 | 30 | 36 | Sep-2009 | Nov-2009 | OR | |||
Four Mile | 60 | 30 | 36 | Mar-2009 | Jul-2009 | UT | |||
Palomino Buttes | 64 | 32 | 39 | Sep-2005 | Dec-2009 | OR | |||
Sand Basin | 64 | 33 | 40 | Nov-2009 | Oct-2009 | ID | |||
Stinkingwater | 80 | 40 | 40 | Jul-2009 | Aug-2010 | OR | |||
Four Mile | 60 | 37 | 44 | Nov-2009 | Oct-2009 | ID | |||
Whistler Mountain | 24 | 14 | 44 | Sep-2008 | NV | ||||
Pokegama | 50 | 30 | 46 | Oct-2004 | Jun-2000 | OR | |||
Bitner | 25 | 15 | 48 | Jun-2010 | Sep-2007 | CA | |||
Black Mountain | 60 | 30 | 48 | Nov-2010 | Nov-2010 | ID | |||
Tilly Creek | 50 | 20 | 48 | Mar-2009 | Jul-2010 | UT |
Chloride Canyon | 30 | 15 | 49 | Feb-2011 | Sep-2009 | UT | |
Blue Wing Mountains | 36 | 22 | 51 | Nov-2005 | Nov-2005 | NV | ✓ |
Bordo Atravesado | 60 | 40 | 51 | Jun-2009 | Jan-2011 | NM | |
Cerbat Mountains | 90 | not set | 60 | Aug-2006 | Feb-2001 | AZ | |
Little Humboldt | 80 | 48 | 66 | Apr-2011 | Jul-2010 | NV | ✓ |
Riddle Mountain | 56 | 33 | 68 | Apr-2010 | Oct-2007 | OR | |
Granite Peak | 18 | 11 | 70 | Apr-2010 | Jan-2010 | NV | |
Black Rock Range East | 93 | 56 | 71 | Jun-2010 | Jan-2010 | NV | ✓ |
Bible Spring | 60 | 30 | 72 | Mar-2009 | Dec-2010 | UT | |
Muddy Creek | 125 | 30 | 72 | Jun-2009 | Jul-2009 | UT | |
Sand Springs | 200 | 100 | 72 | Jun-2010 | Sep-2006 | OR | ✓ |
Buckhorn | 85 | 59 | 73 | Nov-2009 | Dec-2009 | CA | |
Coppersmith | 75 | 50 | 73 | Nov-2009 | Dec-2009 | CA | |
Spring Creek Basin | 65 | 35 | 74 | Jun-2010 | Aug-2007 | CO | ✓ |
Cold Spring | 150 | 75 | 75 | Mar-2010 | Jul-2010 | OR | |
Conger | 80 | 40 | 76 | Mar-2011 | Sep-2010 | UT | |
Reveille | 138 | 83 | 76 | Feb-2010 | Sep-2010 | NV | ✓ |
Rock Creek Mountain | 86 | 50 | 77 | Jul-2010 | Jul-2009 | WY | |
Montgomery Pass | 0 | not set | 79 | Sep-1998 | NV | ||
Little Fish Lake | 39 | no low | 85 | Aug-2009 | Feb-2006 | NV | ✓ |
Wall Canyon | 25 | 15 | 88 | Jun-2010 | Sep-2007 | CA | |
Hard Trigger | 130 | 66 | 93 | Nov-2010 | Nov-2010 | ID | |
Kiger | 82 | 51 | 100 | Apr-2010 | Oct-2007 | OR | ✓ |
Nightingale Mountains | 63 | 38 | 101 | Nov-2005 | Dec-2005 | NV | |
Fifteenmile | 160 | 70 | 107 | Nov-2009 | Nov-2009 | WY | |
Garfield Flat | 125 | 75 | 112 | Oct-2009 | Oct-2009 | NV | ✓ |
Shawave Mountains | 73 | 44 | 112 | Nov-2005 | Nov-2005 | NV | |
Goshute | 123 | 74 | 113 | Oct-2010 | Feb-2011 | NV | |
Rocky Hills | 143 | 90 | 113 | Nov-2010 | Dec-2010 | NV | ✓ |
Crooks Mountain | 85 | 65 | 115 | Aug-2010 | Aug-2006 | WY | |
Paisley Desert | 150 | 60 | 117 | Nov-2009 | Dec-2009 | OR | ✓ |
Kamma Mountains | 77 | 46 | 119 | Nov-2005 | Dec-2005 | NV | ✓ |
Conant Creek | 100 | 60 | 120 | Jul-2010 | Jul-2009 | WY | |
McCullough Peaks | 140 | 70 | 124 | Feb-2011 | Oct-2009 | WY | ✓ |
Little Book Cliffs Wild Horse Range | 150 | 90 | 135 | Jun-2010 | Sep-2007 | CO | ✓ |
Bald Mountain | 215 | 129 | 136 | Nov-2010 | Dec-2010 | NV | |
Frisco | 60 | 12 | 140 | Jan-2010 | Aug-2006 | UT |
Herd Management Area | Horse AML Higha | Horse AML Lowb | Estimated Horse Population | Most Recent Inventory Month-Year | Last Gather Month-Year | State | Sampled | ||
Black Rock Range West | 93 | 56 | 143 | Jun-2010 | Feb-2010 | NV | ✓ | ||
Diamond Hills North | 37 | 22 | 145 | Mar-2010 | Jul-2004 | NV | |||
Jackies Butte | 150 | 75 | 147 | Mar-2010 | Oct-2007 | OR | ✓ | ||
Massacre Lakes | 35 | 25 | 149 | Jun-2010 | Oct-1988 | CA | ✓ | ||
Range Creek | 125 | 75 | 149 | Feb-2010 | Jul-2006 | UT | |||
Dishpan Butte | 100 | 50 | 155 | Jul-2010 | Jul-2009 | WY | |||
Lost Creek | 82 | 60 | 155 | Aug-2010 | Nov-2009 | WY | ✓ | ||
Confusion | 115 | 70 | 157 | Mar-2010 | Sep-2010 | UT | |||
Onaqui Mountain | 210 | 121 | 159 | Feb-2010 | Oct-2009 | UT | |||
Pryor Mountain Wild Horse Range | 120 | 100 | 159 | MT | ✓ | ||||
Granite Range | 258 | 155 | 160 | Jun-2010 | Feb-2005 | NV | |||
Antelope Hills | 82 | 60 | 162 | Aug-2010 | Nov-2009 | WY | |||
Seven Mile | 50 | no low | 162 | Sep-2007 | Aug-2005 | NV | ✓ | ||
Fish Creek | 180 | 108 | 163 | Sep-2007 | Feb-2006 | NV | |||
Saulsbury | 40 | 24 | 172 | Aug-2009 | Feb-2007 | NV | |||
Owyhee | 231 | 139 | 180 | Apr-2011 | Jul-2010 | NV | ✓ | ||
Pine Nut Mountains | 179 | 118 | 182 | Nov-2010 | Dec-2010 | NV | |||
Rock Creek | 250 | 83 | 185 | Apr-2011 | Jul-2010 | NV | |||
South Steens | 304 | 159 | 191 | Jul-2009 | Nov-2009 | OR | ✓ | ||
Murderers Creek | 35 | 13 | 198 | Jan-2011 | Feb-2011 | OR | |||
Eagle | 210 | 126 | 200 | Oct-2010 | Jan-2011 | NV | |||
Silver King | 128 | 76 | 200 | Sep-2010 | Oct-2010 | NV | ✓ | ||
Diamond Hills South | 22 | no low | 202 | Mar-2010 | Jul-2004 | NV | |||
Coyote Lake/Alvord Tule Springs | 390 | 198 | 212 | Jun-2010 | Nov-2008 | OR | |||
North Stillwater | 205 | 123 | 214 | Jul-2008 | Jul-2008 | NV | ✓ | ||
Nevada Wild Horse Range | 500 | 300 | 216 | Sep-2009 | Jul-2008 | NV | |||
Callaghan | 237 | 147 | 221 | Nov-2010 | Jan-2011 | NV | |||
South Shoshone | 100 | 60 | 224 | Oct-2009 | Jan-2009 | NV | ✓ | ||
Antelope | 324 | 194 | 239 | Oct-2010 | Feb-2011 | NV | |||
Swasey | 100 | 60 | 243 | Mar-2011 | Jul-2007 | UT | |||
Diamond | 151 | 91 | 244 | Mar-2010 | Jul-2004 | NV | ✓ | ||
Fox-Lake Range | 204 | 122 | 244 | Jul-2008 | Jul-2008 | NV | |||
Roberts Mountain | 150 | 90 | 248 | Sep-2008 | Jan-2008 | NV |
Augusta Mountains | 308 | 185 | 256 | Jan-2011 | Feb-2011 | NV | ✓ |
Little Colorado | 100 | 69 | 256 | Apr-2010 | Dec-2007 | WY | |
Three Fingers | 150 | 75 | 261 | Mar-2010 | Aug-2006 | OR | |
Sulphur | 250 | 165 | 267 | Nov-2010 | Dec-2010 | UT | ✓ |
Sand Wash Basin | 362 | 163 | 270 | Jun-2010 | Oct-2008 | CO | |
Challis | 253 | 185 | 270 | Jul-2010 | Dec-2009 | ID | ✓ |
Stewart Creek | 175 | 125 | 275 | Aug-2010 | Nov-2009 | WY | ✓ |
Lava Beds | 148 | 89 | 277 | Nov-2005 | Dec-2005 | NV | |
Flanigan | 125 | 80 | 278 | Apr-2010 | Oct-2006 | NV | |
Sand Springs West | 49 | 29 | 285 | Apr-2008 | Jan-2006 | NV | ✓ |
Sheepshead/Heath Creek | 302 | 161 | 293 | Jun-2010 | Nov-2008 | OR | |
Salt Wells Creek | 365 | 251 | 300 | Sep-2010 | Nov-2010 | WY | |
Piceance-East Douglas Creek | 235 | 135 | 320 | Mar-2010 | Oct-2010 | CO | ✓ |
Snowstorm Mountains | 140 | 90 | 320 | Apr-2011 | Oct-2006 | NV | |
Muskrat Basin | 250 | 160 | 359 | Jul-2010 | Jul-2009 | WY | |
Cedar Mountain | 390 | 190 | 362 | Feb-2009 | Dec-2008 | UT | ✓ |
Wassuk | 165 | 109 | 362 | Apr-2010 | NV | ||
Centennial | 168 | 134 | 366 | May-2010 | Oct-2010 | CA | |
New Pass-Ravenswood | 566 | no low | 396 | Nov-2010 | Jan-2011 | NV | ✓ |
Pilot Mountain | 415 | 249 | 402 | Jan-2011 | Jan-2005 | NV | |
Buffalo Hills | 314 | 188 | 415 | Jan-2009 | Jan-2009 | NV | |
Beatys Butte | 250 | 100 | 416 | Nov-2009 | Sep-2009 | OR | ✓ |
Spruce-Pequop | 82 | 49 | 423 | Oct-2010 | Feb-2011 | NV | |
Calico Mountains | 333 | 200 | 450 | Jun-2010 | Feb-2010 | NV | |
High Rock | 120 | 78 | 458 | Jun-2010 | Sep-2006 | CA | ✓ |
Stone Cabin | 364 | 218 | 476 | Aug-2009 | Feb-2007 | NV | |
Fox Hog | 220 | 120 | 479 | Jun-2010 | Aug-2005 | CA | |
Green Mountain | 300 | 170 | 490 | Aug-2010 | Oct-2009 | WY | ✓ |
Clan Alpine | 979 | 619 | 503 | Dec-2010 | Oct-2006 | NV | |
Antelope Valley | 259 | 155 | 519 | Oct-2010 | Feb-2011 | NV | |
Desatoya | 180 | 127 | 520 | Apr-2010 | Feb-2004 | NV | ✓ |
Jackson Mountains | 217 | 130 | 520 | Sep-2007 | Sep-2007 | NV | |
White Mountain | 300 | 205 | 545 | Apr-2010 | Nov-2007 | WY | |
Maverick-Medicine | 276 | 166 | 553 | Nov-2010 | Aug-2006 | NV | ✓ |
Adobe Town | 800 | 610 | 738 | Sep-2010 | Nov-2010 | WY | |
Little Owyhee | 298 | 194 | 780 | Apr-2011 | Nov-2004 | NV |
Herd Management Area | Horse AML Higha | Horse AML Lowb | Estimated Horse Population | Most Recent Inventory Month-Year | Last Gather Month-Year | State | Sampled | ||
Triple B | 518 | 312 | 1,217 | Nov-2010 | NV | ✓ | |||
Pancake | 493 | 296 | 1,291 | Jan-2006 | NV | ||||
Divide Basin | 600 | 415 | 1,355 | Nov-2009 | Sep-2007 | WY | |||
aUpper bound of appropriate management level (AML).
bLower bound of appropriate management level.
NOTE: The following Herd Management Aeas (HMAs) were removed from Table E-1: All HMAs with zero animals, AMLs of zero, or both; all HMAs with mixed burros and horses; and all burro-only HMAs. All remaining HMAs were numerically ordered by most recent population-size estimate. All HMAs with fewer than 50 horses were excluded. Every third HMA was systematically selected, resulting in 36 HMAs. Four additional HMAs that were used in Eberhardt et al. (1982) and Garrott et al. (1991a) were added to total 40 HMAs sampled.
SOURCE: Spreadsheet and survey request based on information provided to the committee by the Bureau of Land Management in December 2011. To access the spreadsheet, contact the National Research Council’s Public Access Records Office at paro@nas.edu. Referenced articles are included in Chapter 2.
TABLE E-3 Surveyed Horse Herd Management Areas Sorted by Population-Size Estimate
Herd Management Area | Horse AML Higha | Horse AML Lowb | Estimated Horse Population | Most Recent Inventory Month-Year | Last Gather Month-Year | State |
Blue Wing Mountains | 36 | 22 | 51 | Nov-2005 | Nov-2005 | NV |
Little Humboldt | 80 | 48 | 66 | Apr-2011 | Jul-2010 | NV |
Black Rock Range East | 93 | 56 | 71 | Jun-2010 | Jan-2010 | NV |
Sand Springs | 200 | 100 | 72 | Jun-2010 | Sep-2006 | OR |
Spring Creek Basin | 65 | 35 | 74 | Jun-2010 | Aug-2007 | CO |
Reveille | 138 | 83 | 76 | Feb-2010 | Sep-2010 | NV |
Little Fish Lake | 39 | no low | 85 | Aug-2009 | Feb-2006 | NV |
Kiger | 82 | 51 | 100 | Apr-2010 | Oct-2007 | OR |
Garfield Flat | 125 | 75 | 112 | Oct-2009 | Oct-2009 | NV |
Rocky Hills | 143 | 90 | 113 | Nov-2010 | Dec-2010 | NV |
Paisley Desert | 150 | 60 | 117 | Nov-2009 | Dec-2009 | OR |
Kamma Mountains | 77 | 46 | 119 | Nov-2005 | Dec-2005 | NV |
McCullough Peaks | 140 | 70 | 124 | Feb-2011 | Oct-2009 | WY |
Little Book Cliffs Wild Horse Range | 150 | 90 | 135 | Jun-2010 | Sep-2007 | CO |
Black Rock Range West | 93 | 56 | 143 | Jun-2010 | Feb-2010 | NV |
Jackies Butte | 150 | 75 | 147 | Mar-2010 | Oct-2007 | OR |
Massacre Lakes | 35 | 25 | 149 | Jun-2010 | Oct-1988 | CA |
Lost Creek | 82 | 60 | 155 | Aug-2010 | Nov-2009 | WY |
Pryor Mountain Wilde Horse Range | 120 | 100 | 159 | MT | ||
Seven Mile | 50 | no low | 162 | Sep-2007 | Aug-2005 | NV |
Owyhee | 231 | 139 | 180 | Apr-2011 | Jul-2010 | NV |
South Steens | 304 | 159 | 191 | Jul-2009 | Nov-2009 | OR |
Silver King | 128 | 76 | 200 | Sep-2010 | Oct-2010 | NV |
North Stillwater | 205 | 123 | 214 | Jul-2008 | Jul-2008 | NV |
South Shoshone | 100 | 60 | 224 | Oct-2009 | Jan-2009 | NV |
Diamond | 151 | 91 | 244 | Mar-2010 | Jul-2004 | NV |
Augusta Mountains | 308 | 185 | 256 | Jan-2011 | Feb-2011 | NV |
Sulphur | 250 | 165 | 267 | Nov-2010 | Dec-2010 | UT |
Challis | 253 | 185 | 270 | Jul-2010 | Dec-2009 | ID |
Stewart Creek | 175 | 125 | 275 | Aug-2010 | Nov-2009 | WY |
Sand Springs West | 49 | 29 | 285 | Apr-2008 | Jan-2006 | NV |
Piceance-East Douglas Creek | 235 | 135 | 320 | Mar-2010 | Oct-2010 | CO |
Herd Management Area | Horse AML Higha | Horse AML Lowb | Estimated Horse Population | Most Recent Inventory Month-Year | Last Gather Month-Year | State |
Cedar Mountain | 390 | 190 | 362 | Feb-2009 | Dec-2008 | UT |
New Pass-Ravenswood | 566 | no low | 396 | Nov-2010 | Jan-2011 | NV |
Beatys Butte | 250 | 100 | 416 | Nov-2009 | Sep-2009 | OR |
High Rock | 120 | 78 | 458 | Jun-2010 | Sep-2006 | CA |
Green Mountain | 300 | 170 | 490 | Aug-2010 | Oct-2009 | WY |
Desatoya | 180 | 127 | 520 | Apr-2010 | Feb-2004 | NV |
Maverick-Medicine | 276 | 166 | 553 | Nov-2010 | Aug-2006 | NV |
Triple B | 518 | 312 | 1,217 | Nov-2010 | NV | |
aUpper bound of appropriate management level (AML).
bLower bound of AML.
SOURCE: Spreadsheet and survey request based on information provided to the committee by the Bureau of Land Management in December 2011. To access the spreadsheet, contact the National Research Council’s Public Access Records Office at paro@nas.edu.