Socially induced delayed primiparity in brown bears Ursus arctos

Arnemo JM, Ahlqvist P, Andersen R, Bertnsen F, Ericsson G, Odden J, Brunberg S, Segerström P, Swenson JE (2006) Risk of capture-related mortality in large free-ranging mammals: experiences from Scandinavia. Wildl Biol 12:109–110 Bellemain E (2004) Genetics of the Scandinavian brown bear (Ursus arctos): implications for biology and conservation. Ph.D. thesis. Agricultural University of Norway Bellemain E, Swenson JE, Tallmon DA, Brunberg S, Taberlet P (2005) Estimating population size of elusive animals using DNA from hunter-collected feces: comparing four methods for brown bears. Conserv Biol 19:150–161 Bellemain E, Zedrosser A, Manel S, Waits LP, Taberlet P, Swenson JE (2006) The dilemma of female mate selection in the brown bear, a species with sexually selected infanticide. Proc R Soc Lond B 273:283–291 Blanchard BM, Knight RR (1991) Movements of Yellowstone grizzly bears. Biol Conserv 58:41–67 Bonenfant C, Gaillard J-M, Klein F, Loison A (2002) Sex- and age-dependent effects of population density on life history traits of red deer Cervus elaphus in a temperate forest. Ecography 25:446–458 Brant CL, Schwab TM, Vandenbergh JG, Schaefer RL, Solomon NG (1998) Behavioural suppression of female pine voles after replacement of the breeding male. Anim Behav 55:615–627 Bunnel FL, Tait DEN (1981) Population dynamics of bears—implications. In: Fowler CV, Smith TD (eds) Dynamics of large mammals populations. Wiley, New York, pp 75–98 Clark MM, Galef BG Jr (2001) Socially induced infertility: familial effects on reproductive development of female Mongolian gerbils. Anim Behav 62:897–903 Clark MM, Galef BG Jr (2002) Socially induced delayed reproduction in female Mongolian gerbils (Meriones unguiculatus): is there anything special about dominant females? J Comp Psychol 116:363–368 Clarke FM, Miethe GH, Bennett NC (2001) Reproductive suppression in female Damaraland mole-rats Cryptomys damarensis: dominant control or self-restraint? Proc R Soc Lond B 268:899–909 Craighead JJ, Sumner JS, Mitchell JA (1995) The grizzly bears of Yellowstone: their ecology in the Yellowstone ecosystem, 1959–1992. Island Press, Washington DC Creel SR, Creel NM (1991) Energetics, reproductive suppression and obligate communal breeding in carnivores. Behav Ecol Sociobiol 28:263–270 Creel S, Macdonald D (1995) Sociality, group size, and reproductive suppression among carnivores. Adv Study Behav 24:203–257 Dahle B, Swenson JE (2003a) Home ranges in adult Scandinavian brown bears Ursus arctos: effect of mass, sex, reproductive status, population density and habitat type. J Zool 260:329–335 Dahle B, Swenson JE (2003b) Family break-up in brown bears; are young forced to leave? J Mammal 84:536–540 Dalerum F, Creel S, Hall SB (2006) Behavioural and endocrine correlates of reproductive failure in social aggregations of captive wolverines. J Zool (in press) DOI: 10.1111/j.1469-7998.2006.00116.x Derocher AE, Stirling I (1998) Maternal investment and factors affecting offspring size in polar bears (Ursus maritimus). J Zool 245:253–260 Farley SD, Robbins CT (1995) Lactation, hibernation and weight dynamics of American black and grizzly bears. Can J Zool 73:2216–2222 Festa-Bianchet M, Jorgenson T, Lucherini M, Wishart WD (1995) Life-history consequences of variation in age of primiparity in bighorn ewes. Ecology 76:871–881 Festa-Bianchet M, Gaillard J-M, Jorgenson T (1998) Mass and density-dependent reproductive success and reproductive costs in a capital breeder. Am Nat 152:367–379 Forchhammer MC, Clutton-Brock TH, Lindström J, Albon SD (2001) Climate and population density induce long-term cohort variation in a northern ungulate. J Anim Ecol 70:721–729 Gende SM, Quinn TP (2004) The relative importance of prey density and social dominance in determining energy intake by bears feeding on Pacific salmon. Can J Zool 82:75–85 Glenn LP, Miller LE (1980) Seasonal movement of an Alaskan Peninsula brown bear population. Int Conf Bear Res Manage 4:307–312 Hackländer K, Möstl E, Arnold W (2003) Reproductive suppression in female Alpine marmots, Marmota marmota. Anim Behav 65:1133–1140 Hessing P, Aumiller L (1994) Observations of conspecific predation by brown bears, Ursus arctos, in Alaska. Can Field-Nat 108:332–336 Hilderbrand GV, Schwartz CC, Robbins CT, Hanley TA (2000) Effect of hibernation and reproductive status on body mass and condition of coastal brown bears. J Wildl Manage 64:178–183 Hofer H, East ML (2003) Behavioral processes and costs of co-existence in female spotted hyenas: a life history perspective. Evol Ecol 17:315–331 Interagency Grizzly Bear Committee (1987) Grizzly bear compendium. National Wildlife Federation, Washington, DC Lambin X (1994) Natal philopatry, competition for resources, and inbreeding avoidance in Townsend’s vole (Microtus townsendii). Ecology 75:224–235 Macdonald DW, Ball FG, Hough NG (1980) The evaluation of home range size and configuration using radio tracking data. In: Amlaner CJ, Macdonald DW (eds) A handbook on biotelemetry and radio tracking. Pergamon, Oxford, pp 405–422 McGuire B, Getz LL (1991) Response of young female prairie voles (Microtus ochrogaster) to non-resident males: implications for population regulation. Can J Zool 69:1348–1355 McLellan B (1994) Density-dependent population regulation of brown bears. In: Taylor M (ed) Density-dependent population regulation in black, brown, and polar bears, monograph series no. 3. International Conference on Bear Research and Management, pp 15–24 McLellan BN, Hovey FW (2001) Natal dispersal of grizzly bears. Can J Zool 79:838–844 Mech LD (1970) The wolf. The ecology and behavior of an endangered species. University of Minnesota Press, Minneapolis Neuhaus P, Broussard DR, Murie JO, Dobson FS (2004) Age of primiparity and implications of early reproduction on life history in female Columbian ground squirrels. J Anim Ecol 73:36–43 Oli MK, Armitage KB (2003) Sociality and individual fitness in yellow-bellied marmots: insights from a long-term study (1962–2001). Oecologia 136:543–550 Pasitschniak-Arts M (1993) Ursus arctos. Mamm Species 439:1–10 Proctor MF, McLellan B, Strobeck C, Barclay RMR (2004) Gender-specific dispersal distances of grizzly bears estimated by genetic analysis. Can J Zool 82:1108–1118 Pulliainen E, Luukkonen Y, Hietajärvi T (1983) Formation of dominance hierarchy among wild brown bears (Ursus arctos). Z Säugetierkd 49:58–59 R Development Core Team (2005) R: a language and environment for statistical computing. R Foundation for Statistical Computing, Vienna http://www.R-project.org Reiter J, LeBoef BJ (1991) Life history consequences of variation in age at primiparity in northern elephant seals. Behav Ecol Sociobiol 28:153–160 Sæther BE, Engen S, Swenson JE, Bakke Ø, Sandegren F (1997) Levedyktighetsanalyser av skandinavisk brunbjørn. NINA Fagrapp 25:1–41 (in Norwegian) Sæther BE, Engen S, Swenson JE, Bakke Ø, Sandegren F (1998) Assessing the viability of Scandinavian brown bear, Ursus arctos, populations: the effects of uncertain parameter estimates. Oikos 83:403–416 Schwartz CC, Miller SD, Haroldson MA (2003) Grizzly bear. In: Feldhammer GA, Thompson BC, Chapman JA (eds) Wild mammals of North America: biology, management, and conservation, 2nd edn. The John Hopkins University Press, Baltimore, pp 556–586 Sillero-Zubiri C, Gottelli D, McDonald DW (1996) Male philopatry, extra-pack copulations and inbreeding avoidance in Ethiopian wolves, Canis simensis. Behav Ecol Sociobiol 38:331–340 Solberg KH, Bellemain E, Drageseth O-M, Taberlet P, Swenson JE (2006) An evaluation of field and non-invasive genetic methods to estimate brown bear (Ursus arctos) population size. Biol Conserv 128:158–168 Solomon NG, Brant CL, Callahan PA, Steinly BA Jr (2001) Mechanisms of reproductive suppression in female pine voles (Microtus pinetorum). Reproduction 122:297–304 Stringham SF (1980) Possible effects of hunting on the grizzly/brown bear. Intern Conf Bear Res Manage 4:337–349 Stringham SF (1990) Grizzly bear reproductive rate relative to body size. Intern Conf Bear Res Manage 8:433–443 Støen OG, Bellemain E, Sæbø S, Swenson JE (2005) Kin-related spatial structure in brown bears Ursus arctos. Behav Ecol Sociobiol 59:191–197 Støen OG, Zedrosser A, Sæbø S, Swenson JE (2006) Inversely density dependent dispersal in brown bears Ursus arctos. Oecologia (in press) DOI: 10.1007/s00442006-0348-5 Svendsen GE, White MM (1997) Body mass and first-time reproduction in female chipmunks (Tamias striatus). Can J Zool 75:1891–1895 Swenson JE, Sandegren F, Bjärvall A, Söderberg A, Wabakken P, Franzén (1994) Size, trend, distribution and conservation of the brown bear Ursus arctos population in Sweden. Biol Conserv 70:9–17 Swenson JE, Wabakken P, Sandegren F, Bjärvall A, Franzen R, Söderberg A (1995) The near extinction and recovery of brown bears in Scandinavia in relation to the bear management policies in Norway and Sweden. Wildl Biol 1:11–25 Swenson JE, Sandegren F, Söderberg A (1998) Geographic expansion of an increasing brown bear population: evidence for presaturation dispersal. J Anim Ecol 67:819–826 Wasser SK, Barash DP (1983) Reproductive suppression among female mammals: implications for biomedicine and sexual selection theory. Q Rev Biol 58:513–538 Waterman JM (2002) Delayed maturity, group fission and limits of group size in female Cape ground squirrels (Sciuridae: Xerus inauris). J Zool 256:113–120 Weladji R, Steinheim G, Post E, Holand O, Adnoy T (2003) Effect of pre-oestrus body weight on lambing success in primiparous sheep (Ovis aries). Acta Agric Scand A Anim Sci 53:35–40 Wiggett D, Boag DA (1990) The resident fitness hypothesis and dispersal by yearling female Columbian ground squirrels. Can J Zool 70:1984–1994 Woodroffe R, MacDonald DW (1995) Female/female competition in European badgers Meles meles: effects on breeding success. J Anim Ecol 64:12–20 Wolff JO (1992) Parents suppress reproduction and stimulate dispersal in opposite-sex juvenile white-footed mice. Nature 359:409–410 Wolff JO (1997) Population regulation in mammals: an evolutionary perspective. J Anim Ecol 66:1–13 Zedrosser A, Dahle B, Swenson JE (2006) Adult female size in brown bears: the effects of population density, heterozygosity, food conditions and size as a yearling. J Mammal (in press)