Digging behaviors of radio-tagged black-footed ferrets near Meeteetse, Wyoming, 1981-1984
Western North American Naturalist
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Abstract
Intensive radio-tracking during August–December enabled us to collect detailed information on digging behaviors of a small sample of black-footed ferrets (Mustela nigripes) occupying colonies of white-tailed prairie dogs (Cynomys leucurus). A sample of 33 prairie dogs, also radio-tagged, progressively ceased aboveground activity during late summer and fall, presumably as they descended into burrows to hibernate. Most of the time ferrets spent digging was in November–December when >95% of the radio-tagged prairie dogs were inactive, suggesting that digging was primarily to excavate hibernating prey. Although 43.9% of the burrow openings were estimated to be in large mounds, which are common on colonies of white-tailed prairie dogs, all of a sample of 17 deposits of soil (diggings) made by ferrets were excavated at small mounds or nonmounded openings. The average duration of 23 nocturnal sessions of digging by ferrets was 112.2 minutes. A digging session consisted of multiple bouts of soil movement typically lasting about 5 min, and sessions were separated by pauses above- or belowground lasting several minutes. Bouts of moving soil from a burrow involved round-trips of 12.5–30.3 s to remove an average of 35 cm3 of soil per trip. These digging bouts are energetically costly for ferrets. One female moved 16.8 kg of soil an estimated 3.3 m during bouts having a cumulative duration of 178 minutes, removing a soil plug estimated to be 178 cm long. Increasing evidence suggests that some behaviors of ferrets and prairie dogs are coevolutionary responses between this highly specialized predator and its prairie dog prey.
Suggested Citation
Biggins, D.E., Hanebury, L., Fagerstone, K.A., 2012, Digging behaviors of radio-tagged black-footed ferrets near Meeteetse, Wyoming, 1981-1984: Western North American Naturalist, v. 72, no. 2, p. 148-157, https://doi.org/10.3398/064.072.0204.
ISSN: 1944-8341 (online)
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Digging behaviors of radio-tagged black-footed ferrets near Meeteetse, Wyoming, 1981-1984 |
| Series title | Western North American Naturalist |
| DOI | 10.3398/064.072.0204 |
| Volume | 72 |
| Issue | 2 |
| Year Published | 2012 |
| Language | English |
| Publisher | Brigham Young University |
| Publisher location | Provo, UT |
| Contributing office(s) | Fort Collins Science Center |
| Description | 10 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Western North American Naturalist |
| First page | 148 |
| Last page | 157 |
| Country | United States |
| State | Wyoming |
| City | Meeteetse |