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The Condition and Survival After Release of Captive-Reared Fox Cubs

Published online by Cambridge University Press:  11 January 2023

C P J Robertson  and
S Harris
C P J Robertson
Affiliation:
School of Biological Sciences, University of Bristol, Woodland Road, Bristol BS8 1UG, UK
S Harris*
Affiliation:
School of Biological Sciences, University of Bristol, Woodland Road, Bristol BS8 1UG, UK
*
† Contact for correspondence and requests for reprints
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Abstract

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In Britain large numbers of animals are taken into captivity for treatment or care and then subsequently returned to the wild, but there are few data on the effectiveness of these rehabilitation programmes. In this study, over a period of four years 251 fox cubs that had been captive-reared were tagged and released; 90 were recovered. Survival rates were low, and road traffic accidents were found to be a major cause of mortality immediately following release. Recovery distances were lower than expected. The stress associated with captive-rearing meant that released foxes weighed less than wild-reared foxes, and they suffered further weight loss in the period immediately following release, even though an analysis of the stomach contents of animals recovered dead showed that released foxes rapidly learnt to hunt successfully.

It was concluded that captive-rearing is a problematic process for foxes, and contrary to predictions they face severe problems in adapting following release. Suggestions are made for the improvement of fox captive-rearing and release programmes, and the need for similar studies on other species is highlighted.

Keywords

animal welfareconditionfoxrehabilitationrelease from captivitysurvival
Type
Research Article
Information
Animal Welfare , Volume 4 , Issue 4 , November 1995 , pp. 281 - 294
Copyright
© 1995 Universities Federation for Animal Welfare

References

Allen, S H and Sargeant, A B 1993 Dispersal patterns of red foxes relative to population density. Journal of Wildlife Management 57: 526–533CrossRefGoogle Scholar
Andrews, R D, Storm, G L, Phillips, R L and Bishop, R A 1973 Survival and movements of transplanted and adopted red fox pups. Journal of Wildlife Management 37: 69–72CrossRefGoogle Scholar
Box, H O 1991 Training for life after release: simian primates as examples. Symposia of the Zoological Society of London 62: 111–123Google Scholar
Bright, P W and Morris, P A 1994 Animal translocation for conservation: performance of dormice in relation to release methods, origin and season. Journal of Applied Ecology 31: 699–708CrossRefGoogle Scholar
Bunce, R G H, Barr, C J and Whittaker, H A 1981 Land Classes in Great Britain: Preliminary Descriptions for Users of the Merlewood Method of Land Classification. Merlewood research and development paper no 86. Institute of Terrestrial Ecology: Grange-over-Sands, UKGoogle Scholar
Christian, J J 1971 Population density and reproductive efficiency. Biology of Reproduction 4: 248–294CrossRefGoogle ScholarPubMed
Errington, P L and Berry, R M 1937 Tagging studies of red foxes. Journal of Mammalogy 18: 203–205CrossRefGoogle Scholar
Harris, S 1981 The food of suburban foxes (Vulpes vulpes), with special reference to London. Mammal Review 11: 151–168CrossRefGoogle Scholar
Harris, S 1989 The release of wild mammals after treatment: rationale, problems and techniques. In: Harris, S and Thomas, T (eds) Proceedings of the Inaugural Symposium of the British Wildlife Rehabilitation Council pp 94–108. British Wildlife Rehabilitation Council: Horsham, UKGoogle Scholar
Harris, S and Macdonald, D 1987 Orphaned Foxes - Guidelines on the Rescue and Rehabilitation of Fox Cubs. Royal Society for the Prevention of Cruelty to Animals (RSPCA): Horsham, UKGoogle Scholar
Harris, S, Morris, P, Wray, S and Yalden, D 1995 A Review of British Mammals: Population Estimates and Conservation Status of British Mammals other than Cetaceans. Joint Nature Conservation Committee: Peterborough, UKGoogle Scholar
Harris, S and Smith, G C 1987 Demography of two urban fox (Vulpes vulpes) populations. Journal of Applied Ecology 24: 75–86CrossRefGoogle Scholar
Harris, S and Trewhelia, W J 1988 An analysis of some of the factors affecting dispersal in an urban fox (Vulpes vulpes) population. Journal of Applied Ecology 25: 409–422CrossRefGoogle Scholar
Hartley, F G L, Follett, B K, Harris, S, Hirst, D and McNeilly, A S 1994 The endocrinology of gestation failure in foxes (Vulpes vulpes). Journal of Reproduction and Fertility 100: 341–346CrossRefGoogle ScholarPubMed
Hattingh, I 1956 Measurements of foxes from Scotland and England. Proceedings of the Zoological Society of London 127: 191–199CrossRefGoogle Scholar
Keeler, C, Ridgway, S, Lipscomb, L and Fromm, E 1968 The genetics of adrenal size and tameness in colorphase foxes. Journal of Heredity 59: 82–84CrossRefGoogle ScholarPubMed
Lindström, E 1981 Condition and growth of red foxes (Vulpes vulpes) in relation to food supply. Journal of Zoology, London 199: 117–122CrossRefGoogle Scholar
Lloyd, H G 1980 The Red Fox. Batsford: London, UKGoogle Scholar
Macdonald, D W 1980 Social factors affecting reproduction amongst red foxes (Vulpes vulpes L., 1758). Biogeographica 18: 123–175Google Scholar
Marcström, V 1968 Tagging studies on red fox (Vulpes v.) in Sweden. Viltrevy 5: 103–117Google Scholar
Moore, D E and Smith, R 1991 The red wolf as a model for carnivore re-introductions. Symposia of the Zoological Society of London 62: 263–278Google Scholar
Morris, P A, Meakin, K and Sharafi, S 1993 The behaviour and survival of rehabilitated hedgehogs (Erinaceus europaeus). Animal Welfare 2: 53–66CrossRefGoogle Scholar
Price, MRS 1989 Animal Re-introductions - the Arabian Oryx in Oman. Cambridge University Press: Cambridge, UKGoogle Scholar
Robertson, C J P and Harris, S 1995 The behaviour after release of captive-reared fox cubs. Animal Welfare 4: 295–306CrossRefGoogle Scholar
Saunders, G, White, PCL, Harris, S and Rayner, J M V 1993 Urban foxes (Vulpes vulpes): food acquisition, time and energy budgeting of a generalized predator. Symposia of the Zoological Society of London 65: 215–234Google Scholar
Stocker, L 1994 The Complete Fox. Chatto and Windus: London, UKGoogle Scholar
Trewhella, W J, Harris, S and McAllister, F E 1988 Dispersal distance, home-range size and population density in the red fox (Vulpes vulpes): a quantitative analysis. Journal of Applied Ecology 25: 423–434CrossRefGoogle Scholar
Turner, C D 1968 General Endocrinology. Saunders: Philadelphia, USAGoogle Scholar
Woollard, T and Harris, S 1990 A behavioural comparison of dispersing and non-dispersing foxes (Vulpes vulpes) and an evaluation of some dispersal hypotheses. Journal of Animal Ecology 59: 709–722Google Scholar