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Camp Pendleton bison herd

The Camp Pendleton bison herd is a conservation herd of approximately 100 introduced American bison that live at United States Marine Corps Base Camp Pendleton in San Diego County, California. The Camp Pendleton herd and the Catalina Island herd are the only two wild-roaming herds of American bison in the U.S. state of California.

Marines and civilian personnel brake for a male bison near Jardine Canyon at Camp Pendleton, February 2015 (USMC photo)

History and ecology edit

The Camp Pendleton herd is one of the dozen bison herds that are owned by the U.S. federal government and managed by an assortment of agencies including the National Park Service, the Forest Service, the Department of Energy, and the Department of Defense (by way of the Pendleton Game Warden's Office).[1] Camp Pendleton is the largest open space on the California coast between the border and Santa Barbara.[2] The 126,000-acre (51,000 ha) base is 95 percent undeveloped, has a river running through it, and has multiple spring-fed ponds.[3][4] At last count, Camp Pendleton was host to an estimated 1,000 types of plants and animals, including 250 bird species, 60 reptiles and amphibians, and 60 mammals, among which are 19 federal or state-listed threatened or endangered species.[3][5]

The Camp Pendleton herd was founded by a dozen or so bison from the San Diego Zoo that were delivered in fits and starts between 1973 and 1978. The first set of four came in October 1973, followed in short order by six more.[6][7][8][9] Two more females arrived from the zoo in 1976.[10] The first calf native to the base was born August 1975 to a pair dubbed Adam and Eve.[11] Another pioneering bull was named Ferdinand.[12] Four calves had been born on the base by 1978.[13] By 1987, Adam had become the dominant bull bison at Camp Pendleton, with a larger harem than any of the other 25 male bison on base.[14] The herd now numbers 90 to 150 individuals.[15] (The bison do not muster properly to be counted off, but aerial surveys keep track of their general numbers.)[2] On the average, the head count of the Camp Pendleton bison herd increases by eight percent annually.[16] As of 2008, the herd showed no signs of cattle DNA introgression.[4]

The bison mostly stick to a 38,000-acre (15,000 ha) zone in the northeastern corner of the base between Basilone Road and Roblar Road.[15][4][8] Located about 12 miles (19 km) inland,[10] their preferred pasturage is a relatively higher-elevation zone described as "an isolated land of rolling hills dotted by sycamores, live oaks and Engelmann oaks, with a few reed-lined ponds where the animals can drink."[17] They can be seen periodically along isolated stretches of the base's Basilone Road.[15] The herd often lingers near Margarita Peak,[12] in the Case Springs area of the base, and are a familiar sight to the firefighters stationed there.[8] They could theoretically enter the neighboring Cleveland National Forest but seem to be deterred by steep terrain and dense brush.[15] As one account put it, migration to the forest would necessitate "crossing San Mateo Canyon, walking up a creek bed and then climbing 3,000 feet (910 m). The burly bison are poor hikers."[2]

 
Plains bison rest at an "abandoned Military Operations on Urbanized Terrain (MOUT) town" built at Camp Pendleton (USMC photo by Shaina Jupiter, 2023)

The bison are attracted to the so-called "impact areas" where live-fire exercises are conducted and thus the bison regularly disrupt planned training.[8] When the bison wander onto USMC firing ranges, air horns are used to disperse them peacefully.[15] If that does not work, training exercises are suspended until the bison move to safety, out of the line of fire.[2] One bison may have died from eating a jagged piece of metal, probably a bullet.[8] Bison with apparent leg injuries may have stepped on unexploded ordnance but there's no clear evidence either proving or disproving that hypothesis.[17] Camp Pendleton bison have also been killed in vehicle collisions.[2] The base subsequently posted "bison crossing" warning signs (some of which were quickly stolen and had to be replaced with less-attractive versions).[18] The bison otherwise have no natural predators on the base; the California grizzly was extirpated many decades past, black bears are very rare visitors,[12] and animals like bobcats and coyotes do not mess with bison.[2]

The bison are an introduced species. Plains bison were not historically resident in California, but did range into similarly arid Arizona and New Mexico.[2]

There are also bison herds at two Canadian military installations, Camp Wainwright and Primrose Lake Air Weapons Range.[1]

See also edit

References edit

  1. ^ a b Boyd, Delaney P.; Gates, C. Cormack (Spring 2006). "A Brief Review of the Status of Plains Bison in North America" (PDF). Journal of the West. 45 (2): 15–21.
  2. ^ a b c d e f g Rowe, Jeff (2009-11-01). "CAMP PENDLETON: Bison thriving. Perhaps too well. On base". San Diego Union-Tribune. Retrieved 2023-10-02.
  3. ^ a b "Protecting the environment is part of the fight at Camp Pendleton". Orange County Register. 2022-04-28. Retrieved 2023-10-02.
  4. ^ a b c Perry, Tony (2008-11-04). "Camp Pendleton's Where These Bison Like to Roam". The Los Angeles Times. p. 54. Retrieved 2023-10-02.
  5. ^ "Wild life, green sneakers on base". Times-Advocate. 1990-07-19. p. 21. Retrieved 2023-10-02.
  6. ^ "Pendleton bison herd totals 15". Times-Advocate. 1978-07-02. p. 40. Retrieved 2023-10-02.
  7. ^ "50 years ago the San Diego Zoo gifted just over a dozen North American Bison to Camp Pendleton where 90 of them now roam". www.cbs8.com. 2021-05-17. Retrieved 2023-10-02.
  8. ^ a b c d e "62 bison at home on Camp Pendleton range (part 1 of 2)". North County Times. 1999-11-07. p. 23. Retrieved 2023-10-02. & "Bison (part 2 of 2)". North County Times. 1999-11-07. p. 27. Retrieved 2023-10-02.
  9. ^ "Bison Like Camp Pendleton's Open Spaces: Marines co-operate to sustain endangered animal". Independent. 1973-10-25. p. 95. Retrieved 2023-10-02.
  10. ^ a b "CamPen Buffalo Herd Increases". Sun Post News. 1976-07-12. p. 3. Retrieved 2023-10-02.
  11. ^ "CamPen Buffalo Herd Ain't No Bull". Sun Post News. 1975-08-25. p. 3. Retrieved 2023-10-02.
  12. ^ a b c "New Home for Buffalo to Roam found at Camp". The Los Angeles Times. 1973-11-20. p. 10. Retrieved 2023-10-02.
  13. ^ "Orange, L.A. counties tugging at Pendleton". Weekly Free Press. 1978-04-27. p. 1. Retrieved 2023-10-02.
  14. ^ "Not at home on the base?". Times-Advocate. 1987-10-08. p. 13. Retrieved 2023-10-02.
  15. ^ a b c d e "Camp Pendleton...where the bison roam" (PDF). Groundbreaker: Newsletter of the Camp Pendleton Historical Society. 5 (1): 1–2. First Quarter 2011 – via Camp Pendleton Historical Society.
  16. ^ Dean, Alicia (2009-11-04). "Bison Home on the Range at Camp Pendleton". NBC 7 San Diego. Retrieved 2023-10-02.
  17. ^ a b "Buffalo". North County Times. 1991-10-20. p. 6. Retrieved 2023-10-02.
  18. ^ "Bison". Times-Advocate. 1987-10-08. p. 14. Retrieved 2023-10-02.

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The Camp Pendleton bison herd is a conservation herd of approximately 100 introduced American bison that live at United States Marine Corps Base Camp Pendleton in San Diego County California The Camp Pendleton herd and the Catalina Island herd are the only two wild roaming herds of American bison in the U S state of California Marines and civilian personnel brake for a male bison near Jardine Canyon at Camp Pendleton February 2015 USMC photo History and ecology editThe Camp Pendleton herd is one of the dozen bison herds that are owned by the U S federal government and managed by an assortment of agencies including the National Park Service the Forest Service the Department of Energy and the Department of Defense by way of the Pendleton Game Warden s Office 1 Camp Pendleton is the largest open space on the California coast between the border and Santa Barbara 2 The 126 000 acre 51 000 ha base is 95 percent undeveloped has a river running through it and has multiple spring fed ponds 3 4 At last count Camp Pendleton was host to an estimated 1 000 types of plants and animals including 250 bird species 60 reptiles and amphibians and 60 mammals among which are 19 federal or state listed threatened or endangered species 3 5 The Camp Pendleton herd was founded by a dozen or so bison from the San Diego Zoo that were delivered in fits and starts between 1973 and 1978 The first set of four came in October 1973 followed in short order by six more 6 7 8 9 Two more females arrived from the zoo in 1976 10 The first calf native to the base was born August 1975 to a pair dubbed Adam and Eve 11 Another pioneering bull was named Ferdinand 12 Four calves had been born on the base by 1978 13 By 1987 Adam had become the dominant bull bison at Camp Pendleton with a larger harem than any of the other 25 male bison on base 14 The herd now numbers 90 to 150 individuals 15 The bison do not muster properly to be counted off but aerial surveys keep track of their general numbers 2 On the average the head count of the Camp Pendleton bison herd increases by eight percent annually 16 As of 2008 the herd showed no signs of cattle DNA introgression 4 The bison mostly stick to a 38 000 acre 15 000 ha zone in the northeastern corner of the base between Basilone Road and Roblar Road 15 4 8 Located about 12 miles 19 km inland 10 their preferred pasturage is a relatively higher elevation zone described as an isolated land of rolling hills dotted by sycamores live oaks and Engelmann oaks with a few reed lined ponds where the animals can drink 17 They can be seen periodically along isolated stretches of the base s Basilone Road 15 The herd often lingers near Margarita Peak 12 in the Case Springs area of the base and are a familiar sight to the firefighters stationed there 8 They could theoretically enter the neighboring Cleveland National Forest but seem to be deterred by steep terrain and dense brush 15 As one account put it migration to the forest would necessitate crossing San Mateo Canyon walking up a creek bed and then climbing 3 000 feet 910 m The burly bison are poor hikers 2 nbsp Plains bison rest at an abandoned Military Operations on Urbanized Terrain MOUT town built at Camp Pendleton USMC photo by Shaina Jupiter 2023 The bison are attracted to the so called impact areas where live fire exercises are conducted and thus the bison regularly disrupt planned training 8 When the bison wander onto USMC firing ranges air horns are used to disperse them peacefully 15 If that does not work training exercises are suspended until the bison move to safety out of the line of fire 2 One bison may have died from eating a jagged piece of metal probably a bullet 8 Bison with apparent leg injuries may have stepped on unexploded ordnance but there s no clear evidence either proving or disproving that hypothesis 17 Camp Pendleton bison have also been killed in vehicle collisions 2 The base subsequently posted bison crossing warning signs some of which were quickly stolen and had to be replaced with less attractive versions 18 The bison otherwise have no natural predators on the base the California grizzly was extirpated many decades past black bears are very rare visitors 12 and animals like bobcats and coyotes do not mess with bison 2 The bison are an introduced species Plains bison were not historically resident in California but did range into similarly arid Arizona and New Mexico 2 There are also bison herds at two Canadian military installations Camp Wainwright and Primrose Lake Air Weapons Range 1 See also editConservation of American bison Fermilab bison herdReferences edit a b Boyd Delaney P Gates C Cormack Spring 2006 A Brief Review of the Status of Plains Bison in North America PDF Journal of the West 45 2 15 21 a b c d e f g Rowe Jeff 2009 11 01 CAMP PENDLETON Bison thriving Perhaps too well On base San Diego Union Tribune Retrieved 2023 10 02 a b Protecting the environment is part of the fight at Camp Pendleton Orange County Register 2022 04 28 Retrieved 2023 10 02 a b c Perry Tony 2008 11 04 Camp Pendleton s Where These Bison Like to Roam The Los Angeles Times p 54 Retrieved 2023 10 02 Wild life green sneakers on base Times Advocate 1990 07 19 p 21 Retrieved 2023 10 02 Pendleton bison herd totals 15 Times Advocate 1978 07 02 p 40 Retrieved 2023 10 02 50 years ago the San Diego Zoo gifted just over a dozen North American Bison to Camp Pendleton where 90 of them now roam www cbs8 com 2021 05 17 Retrieved 2023 10 02 a b c d e 62 bison at home on Camp Pendleton range part 1 of 2 North County Times 1999 11 07 p 23 Retrieved 2023 10 02 amp Bison part 2 of 2 North County Times 1999 11 07 p 27 Retrieved 2023 10 02 Bison Like Camp Pendleton s Open Spaces Marines co operate to sustain endangered animal Independent 1973 10 25 p 95 Retrieved 2023 10 02 a b CamPen Buffalo Herd Increases Sun Post News 1976 07 12 p 3 Retrieved 2023 10 02 CamPen Buffalo Herd Ain t No Bull Sun Post News 1975 08 25 p 3 Retrieved 2023 10 02 a b c New Home for Buffalo to Roam found at Camp The Los Angeles Times 1973 11 20 p 10 Retrieved 2023 10 02 Orange L A counties tugging at Pendleton Weekly Free Press 1978 04 27 p 1 Retrieved 2023 10 02 Not at home on the base Times Advocate 1987 10 08 p 13 Retrieved 2023 10 02 a b c d e Camp Pendleton where the bison roam PDF Groundbreaker Newsletter of the Camp Pendleton Historical Society 5 1 1 2 First Quarter 2011 via Camp Pendleton Historical Society Dean Alicia 2009 11 04 Bison Home on the Range at Camp Pendleton NBC 7 San Diego Retrieved 2023 10 02 a b Buffalo North County Times 1991 10 20 p 6 Retrieved 2023 10 02 Bison Times Advocate 1987 10 08 p 14 Retrieved 2023 10 02 Retrieved from https en wikipedia org w index php title Camp Pendleton bison herd amp oldid 1209580305, wikipedia, wiki, book, books, library,

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