Recuperation of a Severely Debilitated Wolf

Mech, L. David; Seal, U. S.; Arthur, Simon

doi:10.7589/0090-3558-20.2.166

Cited by 5 publications

(7 citation statements)

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“…Camera trapping revealed that this breeding site was attended by 3 other adult wolves, though they were never recorded together with wolf 4365B probably because of insufficient sampling effort. Overall, these results support the idea that after the initial transient phase, released wolves may be able to integrate into a resident pack and contribute to the breeding population (Mech et al , Thiel , Ciucci et al ).…”

Section: Discussionsupporting

confidence: 82%

“…Inferences for wolf 11536 are weaker because of limitations in territory boundary data, though this animal also seemed to have had a pattern of temporary visits to resident packs similar to that of wolf 4365B. These observations of transient behavior are in line with reports from 3 out of 4 previous studies of rehabilitated wolves (Mech et al , Thiel , Ciucci et al ), and they seem to reflect a common pattern in translocated carnivores (Linnell et al ). Quick post‐release integration of a rehabilitated wolf into a pack was reported in a single study, but this focused on a pup, which may be easier to accept by its parents (Schultz et al ).…”

Section: Discussionsupporting

confidence: 80%

“…Our results contribute to those of previous studies in suggesting that releasing rehabilitated wolves into the wild may be a viable option to achieve animal welfare and conservation objectives though there are a number of risks that need to be considered (Mech et al , Schultz et al , Thiel , Ciucci et al ). In terms of welfare, releases avoid the need for euthanasia or to keep wolves in long‐term captivity, while providing opportunities for animals resuming their normal behavior and to breed in the future (Mullineaux ).…”

Section: Management Implicationssupporting

confidence: 81%

“…In terms of conservation, there is some evidence that released wolves may potentially contribute to local populations by pairing with other wolves (Ciucci et al ), establishing new packs (Thiel ), or integrating into extant packs (our study). However, this contribution may be limited where anthropogenic sources of mortality are widespread (Mech et al , Ciucci et al , our study). Overall, we suggest that the release of rehabilitated wolves should be evaluated on a case by case basis, considering in particular the health and chances of survival of individuals, and the objectives of release.…”

Section: Management Implicationsmentioning

confidence: 69%

“…Another study focused on a rehabilitated sub‐adult wolf after 20 days of captivity due to a leg‐hold trap injury, showing that it survived ≥4.5 years and established a new pack at about 50 km from its natal pack (Thiel ). Mech et al () reported the recovery and release of a severely undernourished wolf and demonstrated through radio‐tracking that the animal moved normally for about 4 months before being killed by a snare. In the single study outside the United States, Ciucci et al () used global positioning system (GPS) telemetry to document a net displacement of >200 km made by a male wolf rehabilitated for 16 days following a traffic accident.…”

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confidence: 99%

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Rehabilitation and post‐release monitoring of two wolves with severe injuries

et al. 2016

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Injured free-ranging wolves (Canis lupus) are often rehabilitated and released into the wild, but there is limited data on their post-release survival and behavior. We used global positioning system telemetry to document movements and spatial overlap with resident packs of 2 wolves in northern Portugal that were released following rehabilitation from severe traumatic injuries and were kept in captivity for 10-12 weeks in 2012. A yearling female, with a complex fracture on the thoracic limb, traveled 2,709 km over about 643 km 2 , during the 12 months post-release before being illegally shot. During the first 8 months, it was located frequently around 3 different pack territories, but afterwards its movements were restricted to a single pack territory. We tracked a yearling male with an amputated hind limb for 5 months and it traveled 922 km over about 574 km 2 before dying in a road casualty. It visited 4 different pack territories in succession but also spent time outside known territory boundaries. Our findings suggest that rehabilitated wolves can recover their locomotor activity and survive in the wild for several months, even after suffering severe injuries and spending 3 months in captivity. Ó

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Section: Discussionsupporting

confidence: 82%

Section: Discussionsupporting

confidence: 80%

Section: Management Implicationssupporting

confidence: 81%

Section: Management Implicationsmentioning

confidence: 69%

mentioning

confidence: 99%

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Rehabilitation and post‐release monitoring of two wolves with severe injuries

et al. 2016

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Societies of Wolves and Free-ranging Dogs

Spotte

2012

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Wolves are charismatic emblems of wilderness. Dogs, which descended from wolves, are models of urbanity. Do free-ranging dogs revert to pack living or are their societies only reminiscent of a wolfish heritage? Focusing on behavioral ecology, this is the first book to assess societies of both gray wolves and domestic dogs living as urban strays and in the feral state. It provides a comprehensive review of wolf genetics, particularly of New World wolves and their mixture of wolf, coyote and dog genomes. Spotte draws on the latest scientific findings across the specialized fields of genetics, sensory biology, reproductive physiology, space use, foraging ecology and socialization. This interdisciplinary approach provides a solid foundation for a startling and original comparison of the social lives of wolves and free-ranging dogs. Supplementary material, including a full glossary of terms, is available online at www.cambridge.org/9781107015197.

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Physical condition and blood physiology of wolves in relation to moose density

Messier¹

1987

Can. J. Zool.

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This study examines the direct effects of moose density (0.23 and 0.37 animal/km2) on the nutritional status of wolves (N = 105). Low moose density depressed significantly growth of pups as assessed by their weights, total lengths, and shoulder heights. Similarly, weights of adults were negatively affected by low moose density. No consistent differences in values of 14 blood parameters were detected. Factors other than moose density clearly determined most of the variation in these measurements. In the absence of other ungulate species, wolves were nutritionally stressed when moose density decreased below 0.4 moose/km2. Under our conditions, a sharp decline in predation rate at this lower moose density seems attributable to the direct effects of malnutrition on wolf numbers.

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Recuperation of a Severely Debilitated Wolf

Cited by 5 publications

References 0 publications

Rehabilitation and post‐release monitoring of two wolves with severe injuries

Rehabilitation and post‐release monitoring of two wolves with severe injuries

Societies of Wolves and Free-ranging Dogs

Physical condition and blood physiology of wolves in relation to moose density

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