Winter body temperature patterns in free-ranging Cape ground squirrel, Xerus inauris: No evidence for torpor

Journal of Comparative Physiology B: Biochemical, Systemic, and Environmental Physiology

Volumn 180, Issue 7, 2010, Pages 1099-1110

  Wilson, Wendy A ^a   O'Riain, M Justin ^a   Hetem, Robyn S ^b   Fuller, Andrea ^b   Fick, Linda G ^b  

^a UNIVERSITY OF CAPE TOWN   (South Africa)

^b UNIVERSITY OF THE WITWATERSRAND   (South Africa)

Author keywords

Behavioural thermoregulation; Body temperature; Field study; Nychthemeral rhythm; Sciuridae

Indexed keywords

ACCLIMATIZATION; ANIMAL; ANIMAL BEHAVIOR; ARTICLE; BODY TEMPERATURE; CIRCADIAN RHYTHM; COLD; COMPARATIVE STUDY; FEMALE; LACTATION; MALE; METABOLISM; MOTOR ACTIVITY; PHYSIOLOGY; SCIURIDAE; SEASON; SOUTH AFRICA; THERMOGENESIS; TIME;

ACCLIMATIZATION; ANIMALS; BEHAVIOR, ANIMAL; BODY TEMPERATURE; CIRCADIAN RHYTHM; COLD TEMPERATURE; FEMALE; LACTATION; MALE; MOTOR ACTIVITY; SCIURIDAE; SEASONS; SOUTH AFRICA; THERMOGENESIS; TIME FACTORS;

SCIURIDAE; SPERMOPHILUS; XERUS INAURIS;

EID: 77956756063     PISSN: 01741578     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00360-010-0472-z     Document Type: Article

References (61)

1. Altmann J (1974) Observational study of behavior: sampling methods. Behaviour 49: 227-265.
2. Arnold W (1988) Social thermoregulation during hibernation in alpine marmots (Marmota marmota). J Comp Physiol B 158: 151-156.
3. Arnold W, Dittami J (1997) Reproductive suppression in male alpine marmots. Anim Behav 53: 53-66.
4. Aujard F, Perret M, Vannier G (1998) Thermoregulatory responses to variations of photoperiod and ambient temperature in the male lesser mouse lemur: a primitive or advanced adaptive character? J Comp Physiol B 168: 540-548.
5. Bartels W, Law BS, Geiser F (1998) Daily torpor and energetics in a tropical mammal, the northern blossom-bat Macroglossus minimus (Megachiroptera). J Comp Physiol B 168: 233-239.
6. Bartholomew GA, Hudson JW (1961) Desert ground squirrels. Sci Am 205: 107-116.
7. Bazin RC, MacArthur RA (1992) Thermal benefits of huddling in the muskrat (Ondatra zibethicus). J Mammal 73: 559-564.
8. Brown GD, Dawson TJ (1977) Seasonal variations in the body temperatures of unrestrained kangaroos (Macropodidae: Marsupalia). Comp Biochem Physiol A Mol Integr Physiol 56: 59-67.
9. Brown KJ, Downs CT (2006) Seasonal patterns in body temperature of free-living rock hyrax (Procavia capensis). Comp Biochem Physiol A Mol Integr Physiol 143: 42-49.
10. Brown KJ, Downs CT (2007) Basking behavior in the rock hyrax (Procavia capensis) during winter. Afr Zool 42: 70-79.
11. Chappell MA, Bartholomew GA (1981) Activity and thermoregulation of the antelope ground squirrel Ammospermophilus leucerus in winter and summer. Physiol Zool 54: 215-223.
12. Cooper CE, Withers PC (2004) Patterns of body temperature variation and torpor in the numbat, Myrmecobius fasciatus (Marsupalia: Myrmecobiidae). J Therm Biol 29: 277-284.
13. Eliason HL, Fewell JE (1997) Thermoregulatory control during pregnancy and lactation in rats. J Appl Physiol 83: 837-844.
14. Erlwanger KH, De Witt BA, Fick LG, Hetem RS, Meyer LCR, Mitchell D, Wilson WA, Mitchell B (2009) Hepatic capillariasis in a Cape ground squirrel (Xerus inauris). J S Afr Vet Assoc 80: 276-277.
15. Fietz J, Schlund W, Dausmann KH, Regelmann M, Heldmaier G (2004) Energetic constraints on sexual activity in the male edible dormouse (Glis glis). Oecologia 138: 202-209.
16. Fuller A, Maloney SK, Kamerman PR, Mitchell G, Mitchell D (2000) Absence of selective brain cooling in free-ranging zebras in their natural habitat. Exp Physiol 85: 209-217.
17. Geiser F (2004) Metabolic rate and body temperature reduction during hibernation and daily torpor. Annu Rev Physiol 66: 239-274.
18. Geiser F, Drury RL (2003) Radiant heat affects thermoregulation and energy expenditure during rewarming from torpor. J Comp Physiol B 173: 55-60.
19. Geiser F, Pavey CR (2007) Basking and torpor in a rock-dwelling desert marsupial: survival strategies in a resource-poor environment. J Comp Physiol B 177: 885-892.
20. Golightly RT, Ohmart RD (1978) Heterothermy in free-ranging Abert's squirrels (Sciurus aberti). Ecology 59: 897-909.
21. Gummer DL (2005) Geographic variation in torpor patterns: the northernmost prairie dogs and kangaroo rats. Dissertation, University of Saskatchewan, Saskatoon.
22. Haim A, Alma A, Neuman A (2006) Body mass is a thermoregulatory adaptation of diurnal rodents to the desert environment. J Therm Biol 31: 168-171.
23. Hill RW (1972) The amount of maternal care in Peromyscus leucopus and its thermal significance to the young. J Mammal 53: 774-790.
24. Hudson JW (1964) Temperature regulation in the round-tailed ground squirrel, Citellus tereticaudus. Ann Acad Sci Fenn A 15: 219-233.
25. Hwang YT, Larivière S, Messier F (2007) Energetic consequences and ecological significance of heterothermy and social thermoregulation in striped skunks (Mephitis mephitis). Physiol Biochem Zool 80: 138-145.
26. Kamerman PR, Di Zio LC, Fuller A (2001) Miniature data loggers for remote measurement of body temperature in medium-sized rodents. J Therm Biol 26: 159-163.
27. Karasov WH (1983) Wintertime energy conservation by huddling in antelope ground squirrels (Ammospermophilus leucerus). J Mammal 64: 341-345.
28. Kelm DH, von Helverson O (2007) How to budget metabolic energy: torpor in a small neotropical mammal. J Comp Physiol B 177: 667-677.
29. Kenagy GJ, Nespolo RF, Vásquez RA, Bozinovic F (2002) Daily and seasonal limits of time and temperature to activity of degus. Rev Chil Hist Nat 75: 567-581.
30. Knight A (1991) The ecophysiology of the Cape ground squirrel Xerus inauris (Zimmerman). Dissertation, University of Pretoria, Pretoria.
31. Kurta A (1990) Torpor patterns in food deprived Myotis lucifugus (Chiroptera: Vesperilionidae) under simulated roost conditions. Can J Zool 69: 255-257.
32. Lehmer EM, van Horne B, Kulbartz B, Florant GL (2001) Facultative torpor in free-ranging black-tailed prairie dogs (Cynomys ludovicianus). J Mammal 82: 551-557.
33. Lehmer EM, Bossenbroek JM, van Horne B (2003) The influence of environment, sex, and innate timing mechanisms on body temperature patterns of free-ranging black-tailed prairie dogs (Cynomys ludovicianus). Physiol Biochem Zool 76: 72-83.
34. Lehmer EM, Savage LT, Antolin MF, Biggins DE (2006) Extreme plasticity in thermoregulatory behaviours of free-ranging black-tailed prairie dogs. Physiol Biochem Zool 79: 454-467.
35. Long RA, Martin TJ, Barnes BM (2005) Body temperature and activity patterns in free-living Arctic ground squirrels. J Mammal 86: 314-322.
36. Louw GN, Seely MK (1982) Ecology of desert organisms. Longman Inc., New York.
37. Lovegrove BG (2000) Daily heterothermy in mammals: coping with unpredictable environments. In: Heldmaier G, Klingenspor M (eds) Life in the cold: 11th international hibernation symposium. Springer, Berlin, pp 29-40.
38. Lovegrove BG, Raman J (1998) Torpor patterns in the pouched mouse (Saccostomus campestris; Rodentia): a model animal for unpredictable environments. J Comp Physiol B 168: 303-312.
39. Lyman CP (1964) The effect of low temperature on the isolated hearts of Citellus leucerus and C mohavensis. J Mammal 45: 122-126.
40. Lynch CD (1980) Ecology of the suricate, Suricata suricatta, and yellow mongoose, Cynictis penicillata, with special reference to their reproduction. Mem Nas Mus Bloemfontein 14: 1-145.
41. Maloney SK, Fuller A, Kamerman PR, Mitchell G, Mitchell D (2004) Variation in body temperature in free-ranging western grey kangaroos Macropus fuliginosus. Aust Mammal 26: 135-144.
42. Marsh AC, Louw G, Berry HH (1978) Aspects of renal physiology, nutrition and thermoregulation in the ground squirrel Xerus inauris. Modoqua 2: 129-135.
43. Mzilikazi N, Lovegrove BG (2004) Daily torpor in free-ranging rock elephant shrews, Elephantulus myurus: a year-long study. Physiol Biochem Zool 77: 285-296.
44. Mzilikazi N, Lovegrove BG, Ribble DO (2002) Exogenous passive heating during torpor arousal in free-ranging rock elephant shrews, Elephantulus myurus. Oecologia 133: 307-314.
45. Mzilikazi N, Masters JC, Lovegrove BG (2006) Lack of torpor in free-ranging southern lesser galagos, Galago moholi: ecological and physiological considerations. Folia Primatol 77: 465-476.
46. Perrin MR, Richardson EJ (2004) Factors affecting the induction of torpor and body mass in the fat mouse Steatomys pratensis. J Therm Biol 29: 133-139.
47. Refinetti R (1999) Amplitude of the daily rhythm of body temperature in eleven mammalian species. J Therm Biol 24: 477-481.
48. Scantlebury M, Lovegrove BG, Jackson CR, Bennett NC, Lutermann H (2008) Hibernation and non-shivering thermogenesis in the Hottentot golden mole (Amblysomus hottentottus longiceps). J Comp Physiol B 178: 887-897.
49. Schmidt-Nielsen K, Schmidt-Nielsen B, Jarnum SA, Houpt TR (1957) Body temperature of the camel and its relation to water economy. Am J Physiol 188: 103-112.
50. Scribner SJ, Wynne-Edwards KE (1994) Disruption of body temperature and behaviour rhythms during reproduction in dwarf hamsters (Phodopus). Physiol Behav 55: 361-369.
51. Stamper JL, Zucker I, Lewis DA, Dark J (1998) Torpor in lactating Siberian hamsters subjected to glucoprivation. Am J Physiol Regul Integr Comp Physiol 274: R46-R51.
52. Tomlinson S, Withers PC, Cooper C (2007) Hypothermia versus torpor in response to cold stress in the native Australian mouse Pseudomys hermannsburgensis and the introduced house mouse Mus musculus. Comp Biochem Physiol A 148: 645-650.
53. van Heerden J, Dauth J (1987) Aspects of adaptation to an arid environment in free-living ground squirrels Xerus inauris. J Arid Environ 13: 83-89.
54. van Oudsthoorn FP (1992) Guide to grasses of South Africa. National Book Printers, Cape Town.
55. Vispo CR, Bakken GS (1993) The influence of thermal conditions on the surface activity of thirteen-lined ground squirrels. Ecology 74: 377-389.
56. Vogt FD, Lynch GB (1982) Influence of ambient temperature, nest availability, huddling, and daily torpor on energy expenditure in the white-footed mouse Peromyscus leucopus. Physiol Zool 55: 56-63.
57. Waterman JM (1995) The social organization of the Cape ground squirrel. Ethology 101: 130-147.
58. Waterman JM (1996) Reproductive biology of a tropical, non-hibernating ground squirrel. J Mammal 77: 134-146.
59. Waterman JM (1997) Why do male Cape ground squirrels live in groups? Anim Behav 53: 809-817.
60. Withers PC, Jarvis JUM (1980) The effect of huddling on thermoregulation and oxygen consumption for the naked mole-rat. Comp Biochem Physiol A Mol Integr Physiol 66: 215-219.
61. Wooden KM, Walsberg GE (2002) Effect of environmental temperature on body temperature and metabolic heat production in a heterothermic rodent, Spermophilus tereticaudus. J Exp Biol 205: 2099-2105.