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Prairie Dog Pals

Dedicated to the Preservation of Prairie Dogs and their Habitat

Close up and personal with some prairie dogs

December 4, 2013 by PDP

Here is a cute video of some prairie dogs “at work”.  Notice how the bison doesn’t step in the prairie dog burrow and break his leg…but he is interested in what’s to eat around the burrow!

Check it out on youtube:  Close up!

News Tagged: behavior, black-tailed prairie dogs, burrows, colonies, habitat

Iconic New Mexico Images

September 9, 2012 by PDP

chuckThere are many images that evoke thoughts of New Mexico. The Cabezon, Otero Mesa, Governor’s Square in Santa Fe, the smell of roasting chile, but there is none that evoke it so much for me as the picture taken by Chuck Hayes at the Sevilleta. It just SCREAMS New Mexico. Prairie, Mountains, and Prairie Dogs.

This is a prairie dog we’d relocated during the summer. The Manzanos are in the background and you can see an artificial burrow tube immediately to the side of the prairie dog. It is still used for emergencies but this prairie dog had already dug in near by.

Here’s another beauty captured by Sharyn Davidson.sharyn

Fun Tagged: burrows, photos, relocation, Sevilleta

Gunnison’s Prairie Dogs

September 11, 2010 by PDP


Description: Yellowish buff mixed with black above, slightly paler below. Short, white-tipped tail. Terminal half of tail grayish white in center. 12-14″ in height, weighing 23-42 ounces. Lives 3-5 years in the wild, longer in captivity.

Similar Species: White-tailed and Utah prairie dogs have white in center of tail rather than grayish. Black-tailed Prairie Dog’s tail has black tip.

Breeding: 1 litter per year of 1–8 young, born in early May; gestation 27–33 days, pups emerge mid June.

Habitat: Short grass prairies in high mountain valleys and plateaus of southern Rocky Mountains at elevations of 6,000–12,000’ (1,800–3,600 m). Habitat is much more variable topographically and vegetationally than that of the Black-tailed Prairie Dog, which occurs at lower elevations.

Range: Southeastern Utah, south and central Colorado, northeast and central Arizona, and northwest New Mexico.

Discussion: The Gunnison’s Prairie Dog, like the rest of its kin, is active only when the sun is up, and is most energetic near dawn and dusk. It is constantly vigilant while aboveground, often sitting upright on its hind feet while it pursues its main activities: mainly feeding, but also grooming and playing. This animal generally is seen from April to October. It hibernates (torpor) in winter, living on stored body fat. It usually emerges in April, though they will emerge earlier if the winter is mild. Gunnison’s Prairie Dog feeds on green vegetation, particularly grasses, but also forbs, sedges, and shrubs, as well as a few insects. Its colonies are generally smaller and less closely knit than those of other prairie dogs, resembling ground squirrel aggregations, with fewer than 50 to 100 individuals. The animals in the colony cannot always see one another because their habitat is in such varied and patchy terrain, which is caused in part by human activities. On flat ground and where this prairie dog is protected colonies are much larger and more extensive. This species’ burrow systems can be up to 80 feet long and 16 feet deep in well-established colonies. Burrows can have food storage, flood, nesting, communal and excrement chambers. Territoriality is not well developed in Gunnison’s Prairie Dog, although old males may defend small areas outside their burrows. Mother-young relationships form the basic social unit. Newborns remain in the burrow about three weeks before emerging and are weaned about three weeks later. The female sits almost straight up on her haunches to nurse her young, who suckle either pectoral or inguinal (hind leg) nipples. Gunnison’s alarm call, distinctive among prairie dogs, is important to the survival and structure of the community. It is a series of high-pitched barks of one or two distinct syllables, with the second syllable lower and more guttural. The call may be repeated frequently and may continue for as long as half an hour. It increases in intensity as danger escalates, and ends in chatter as the animal enters its burrow. Predators include American Badgers, Coyotes, weasels, and raptors. Plague (Yersina pestis), carried by fleas, can decimate populations of this species. However, humans, through their extermination programs, are the chief enemy of Gunnison’s Prairie Dog.

Information about Prairie Dogs Tagged: breeding, burrows, colonies, disease, Gunnison, habitat, plague, predators

Prairie Dog Facts

September 11, 2010 by PDP

  • Two of the five species of prairie dogs are protected under The Endangered Species Act. Black-tailed prairie dogs have been granted a “Warranted but Precluded” Threatened Species listing, which means that biologically they deserve protection but the government does not have the resources required for enforcement at this time.
  • Overall, prairie dogs inhabit less than 1% of their former range. New Mexico has the smallest remaining acreage of prairie dogs across their historical range. Best estimates on Gunnison’s populations are that they inhabit about 2% of their former region. This means overall numbers are dangerously low since their range is much smaller than that of the Black-tailed Prairie Dog. A surprisingly large percentage of remaining prairie dog colonies live in urban environments.
  • Black Footed FerretsPrairie dogs are known as a “keystone species.” Over 160 vertebrates alone are associated with large prairie dog colonies and over 80 on “urban” colonies. Possibly the world’s most endangered animal, the Black-footed Ferret, cannot live without prairie dogs. Some other federally protected species are nearly as dependent including the Ferruginous Hawk, the Burrowing Owl, the Swift Fox and the Mountain Plover. Biologists have termed them “perhaps the most important mammal on earth.”

Prairie dogs are important to their environment in three ways:

  • They are the primary prey on rangelands and their colonies also provide a greater density of other prey species.
  • They provide homes or shelters for dozens of species.
  • Their positive effect on soil and vegetation conditions.

 

  • Prairie dogs are annual breeders. About half of the females over two years of age will give birth to 3-5 pups in the spring. The overwhelming majority will not live six months.
  • Prairie dogs are highly social and possess the most complex language of any animal ever studied. They display different calls for raptors, coyotes, humans and even humans carrying guns. They have numerous other calls totaling over fifty distinct “words.” Kissing, hugging and grooming are regular pastimes. Burrows are much like homes possessing front and back doors, toilets, listening posts, sleeping quarters and storage rooms.
  • Poisoning prairie dogs is unacceptable. The primary poison used induces a slow, painful death that may take up to 72 hours. Other residents of their burrows suffer the same fate. Poisoning for population control is counter-productive. A mature colony left alone tends to expand about 2% per year. A poisoned colony expands at the rate of about 70% per year. Left to their own devices, prairie dogs experience their own natural population declines. They never undergo these decreases if we are constantly inducing our own, unnatural removal on their colonies.
  • Shooting definitely has a significant impact on prairie dog populations. One heavily shot area was reduced by 10,000 acres in just a couple of years. Shooting promotes disease, discourages other species from hunting or living in the colony, and is not “hunting.”

For more facts, visit 101 Questions and Answers about Prairie Dogs and Environmental Change and the Prairie Dog

Information about Prairie Dogs Tagged: behavior, black-footed ferret, black-tailed prairie dogs, breeding, burrows, ecology, Endangered Species Act, environmental change, Gunnison, habitat, keystone species, kissing, language, owls, poison, shooting

Gunnison’s Prairie Dogs Facts

September 11, 2010 by PDP

Populations: The Ultimate Underdog

800px-Cynomys_ludovicianus5Gunnison’s Prairie Dogs are a White-tailed subspecies, which inhabits the four corners region. Once ubiquitous, current estimates place their populations at about 2 – 5% of their former range.

Two of the five species of prairie dogs are protected under the Endangered Species Act. There may be fewer Utah Prairie Dogs than Siberian Tigers. Black-tailed Prairie Dogs, the most numerous due their large range, are considered a Candidate for Threatened Listing. They meet all criteria for listing, but the Fish and Wildlife Service does not yet have the resources to enforce the listing, so they were placed on the Candidate List in 2000. They are on about 1% of their former range.

tipping pointEcological Importance: A ‘keystone species.’

Prairie dogs are a ‘keystone species,’ or most important element, of their environment.

Up to 160 other species benefit from their presence.

They enrich their environment in three ways:

  1. As the primary prey on rangelands.
  2. They build homes or shelter for many species.
  3. They alter vegetation and soil to promote optimum grazing conditions.

The Black-footed Ferret is the most endangered mammal on our continent and cannot live without prairie dogs under any circumstances.

The Ferruginous Hawk, Swift Fox, Mountain Plover, and Burrowing Owl, are considered  for or federally protected species that are considered dependent on prairie dogs. Several other species are considered dependent on prairie dogs. Several other species are considered dependent.

It’s a Dog’s Life: a Brief Description of the Prairie Dogs, Themselves

Prairie dogs possess, perhaps, the most complex language of any animal ever studied. Even more so than primates. They have over fifty primary ‘words’ and can communicate in sentences, distinguish color, speed, and level of threat through language.

Prairie dogs live in family units called ‘coteries’. They often ‘kiss’ in a familial identification. The animals commonly seen poised on their hindquarters are sentries, ever vigilant on the lookout for danger to themselves and families.

Prairie dogs are annual breeders. Fifty percent of females over two years of age will give birth to about 4 pups in the spring. There is tremendous juvenile mortality.

Prairie dogs live to be about five years old in the wild.

Burrows are complex, with separate ‘rooms’ for each function of life. Toilet chambers, sleeping quarters and storage typify a home burrow. Often, listening posts are created near the entrance for added protection. Some burrows have several entrances.

Gunnison’s and White-tailed Prairie Dogs hibernate, or go into torpor, as it is called, from about November through February. Black-tailed Prairie Dogs do not hibernate.

Information about Prairie Dogs Tagged: behavior, black-footed ferret, Burrowing Owls, burrows, Endangered Species Act, Gunnison, habitat, hibernation, keystone species, language, owls, white-tailed prairie dogs

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