Social bonds between unrelated females increase reproductive success in feral horses

Proceedings of the National Academy of Sciences of the United States of America

Volumn 106, Issue 33, 2009, Pages 13850-13853

  Cameron, Elissa Z ^a,b   Setsaas, Trine H ^a   Linklater, Wayne L ^b,c  

^a UNIVERSITY OF PRETORIA   (South Africa)

^b MASSEY UNIVERSITY   (New Zealand)

^c VICTORIA UNIVERSITY OF WELLINGTON   (New Zealand)

Author keywords

Alliances; Equid; Friendship; Social structure; Sociality

Indexed keywords

ANIMAL BEHAVIOR; ANIMAL EXPERIMENT; ARTICLE; CONTROLLED STUDY; FEMALE; HABITAT; HORSE; INTEGRATION; NONHUMAN; PRIORITY JOURNAL; SEX DIFFERENCE; SEXUAL BEHAVIOR; SOCIAL BEHAVIOR;

ANIMALS; BEHAVIOR, ANIMAL; BIRTH RATE; COOPERATIVE BEHAVIOR; FEMALE; HORSES; MALE; REPRODUCTION; RISK; SEXUAL BEHAVIOR, ANIMAL; TIME FACTORS;

EQUIDAE; MAMMALIA; PRIMATES;

EID: 69549086821     PISSN: 00278424     EISSN: 10916490     Source Type: Journal    
DOI: 10.1073/pnas.0900639106     Document Type: Article

References (55)

1. Smuts BB, Smuts RW (1991) Male aggression and sexual coercion of females in nonhuman primates and other mammals: Evidence and theoretical implications. Adv Stud Behav 22:1-63.
2. Réale D, Bousses P, Chapuis J-L (1996) Female-biased mortality induced by male sexual harassment in a feral sheep population. Can J Zool 74:1812-1818. (Pubitemid 27005960)
3. Kappeler PM (1997) Determinants of primate social organization: Comparative evidence and new insights from Malagasy lemurs. Biol Rev 72:111-151.
4. Clutton-Brock TH, Price OF, MacColl ADC (1992) Mate retention, harassment and the evolution of ungulate leks. Behav Ecol 3:234-242.
5. van Schaik CP, Kappeler PM (1997) Infanticide risk and the evolution of male-female association in primates. Proc R Soc London B 264:1687-1694.
6. Linklater WL, Cameron EZ, Minot EO, Stafford KJ (1999) Stallion harassment and the mating system of horses. Anim Behav 58:295-306.
7. Feh C, de Mazières J (1993) Grooming at a preferred site reduces heart rate in horses. Anim Behav 46:1191-1194. (Pubitemid 2004188)
8. Hennessy MB, Zate R,MakenDS (2008) Social buffering of the cortisol response of adult female guinea pigs. Physiol Behav 93:883-888.
9. Wittig RA, et al. (2008) Focused grooming networks and stress alleviation in wild female baboons. Horm Behav 54:170-177.
10. Kaplan JR, et al. (1991) The relationship of agonistic and affiliative behavior patterns to cellular immune function among cynomolgus monkeys (Macaca-fascicularis) living in unstable social-groups. Am J Primatol 25:157-173.
11. Cheney D, Seyfarth R, Smuts B (1986) Social relationships and social cognition in nonhuman primates. Science 234:1361-1366.
12. Silk JB (2002) Using the 'F'-word in primatology. Behaviour 139:421-446.
13. Cords M (2002) Friendship among adult female blue monkeys (Cercopithecus mitis). Behaviour 139:291-314.
14. Silk JB (2007) The adaptive value of sociality in mammalian groups. Phil Trans R Soc B 362:539-559.
15. Silk JB, Alberts SC, Altmann J (2003) Social bonds of female baboons enhance infant survival. Science 302:1331-1334.
16. Silk JB, Altmann J, Alberts SC (2006) Social relationships among adult female baboons (Papio cyncephalus) I. Variation in the strength of social bonds. Behav Ecol Sociobiol 61:183-195. (Pubitemid 44813931)
17. Silk JB, Alberts SC, Altmann J (2006) Social relationships among adult female baboons (Papio cyncephalus). II. Variation in the quality and stability of social bonds. Behav Ecol Sociobiol 61:197-204. (Pubitemid 44813932)
18. Lehmann J, Boesch C (2008) Sexual differences in chimpanzee sociality. Int J Primatol 29:65-81.
19. Swedell L (2002) Affiliation among females in wild Hamadryas baboons (Papio hamadryas hamadryas). Int J Primatol 23:1205-1226.
20. Linklater WL, Cameron EZ (2009) Social dispersal but with philopatry reveals incest avoidance in a polygynous ungulate. Anim Behav 77:1085-1093.
21. Linklater WL, Cameron EZ (2000) Tests for cooperative behaviour between stallions. Anim Behav 60:731-743.
22. Feh C (1999) Alliances and reproductive success in Camargue stallions. Anim Behav 57:705-713.
23. Linklater WL (2000) Adaptive explanation in socio-ecology: Lessons from the Equidae. Biol Rev 75:1-20.
24. Monard A-M, Duncan P, Boy V (1996) The proximate mechanisms of natal dispersal in female horses. Behaviour 133:1095-1124. (Pubitemid 27237983)
25. Linklater WL, Cameron EZ, Stafford KJ, Veltman CJ (2000) Social and spatial structure and range use by Kaimanawa wild horses (Equus caballus: Equidae). N Z J Ecol 24:139-152.
26. Proops L, McComb K, Reby D (2009) Cross-modal individual recognition in domestic horses (Equus caballus). Proc Nat Acad Sci USA 106:947-951.
27. Waring GH (2002). Horse Behavior (Noyes Publications, New York), 2nd Ed.
28. van Dierdendock M, Goodwin D (2005) The Human-Animal Relationship - Forever and a Day, eds de Jonge F, van den Bos R (van Gorcum, Assen, Netherlands), pp 65-81.
29. Kimura R (1998) Mutual grooming and preferred associate relationships in a band of free-ranging horses. Appl Anim Behav Sci 59:253-263.
30. Sigurjónsdóttir H, van Dierendonck MC, Snorrason S, Thórhallsdóttir AG (2003) Social relationships in a group of horses without a mature stallion. Behaviour 140:783-804.
31. Heitor F, Oom MM, Vicente L (2006) Social relationships in a herd of Sorraia horses Part II. Factors affecting affiliative relationships and sexual behaviours. Behav Proc 73:231-239. (Pubitemid 44573592)
32. Cameron EZ, Linklater WL, Stafford KJ, Minot EO (2000) Aging and improving reproductive success in horses: Declining residual reproductive value or just older and wiser? Behav Ecol Sociobiol 47:243-249.
33. Cameron EZ, Linklater WL, Stafford KJ, Minot EO (2003) Social group and maternal behaviour in feral horses, Equus caballus. Behav Ecol Sociobiol 53:92-101.
34. Pluháček J, Bartoš L (2000) Male infanticide in captive plains zebra, Equus burchelli. Anim Behav 59:689-694.
35. Ryder O, Massena R (1988) A case of male infanticide in Equus przewalskii. Appl Anim Behav Sci 21:187-190.
36. Duncan P (1982) Foal killing by stallions. Appl Anim Ethol 8:567-570.
37. GrayM(2009) An infanticide attempt by a free-roaming feral stallion (Equus caballus). Biol Lett 5:23-25.
38. Silk JB, et al. (2009) The benefits of social capital: Close social bonds among female baboons enhance offspring survival. Proc R Soc B, in press.
39. Galimberti F, Boitani L, Marzetti I (2000) The frequency and costs of harassment in southern elephant seals. Ethol Ecol Evol 12:345-365.
40. Nefdt RJC (1995) Disruptions of matings, harassment and lek-breeding in Kafue lechwe antelope. Anim Behav 49:419-429.
41. DeVries AC, Glasper ER, Detillion CE (2003) Social modulation of stress responses. Physiol Behav 79:399-407.
42. House JS, Landis KR, Umberson D (1988) Social relationships and health. Science 241:540-545.
43. Sachser N, Durschlag M, Hirzel D (1998) Social relationships and the management of stress. Psychoneuroendocrinology 23:891-904.
44. Shier DM (2006) Effect of family support on the success of translocated black-tailed prairie dogs. Cons Biology 20:1780-1790.
45. Langergraber KE, Mitani JC, Vigilant L (2008) The limited impact of kinship on cooperation in wild chimpanzees. Proc Nat Acad Sci USA 104:7786-7790.
46. Clutton-Brock TH, et al. (2001) Helpers, juvenile development and survival in meerkats. Science 293:2446-2449.
47. Clutton-Brock TH, et al. (1999) Selfish sentinels in cooperative mammals. Science 284:1640-1644.
48. Cole KM, Gawlinski A, Steers N, Kotlerman J (2007) Animal-assisted therapy in patients hospitalized with heart failure. Am J Crit Care 16:575-585.
49. Cameron EZ, Linklater WL (2007) Extreme sex ratio variation in relation to change in condition around conception. Biol Lett 3:395-397.
50. Tutt JFD (1968) Veterinary Notes for Horse Owners, ed Hayes MH (Stanley Paul, London), pp 512-526.
51. Richardson JD, Cripps PJ, Lane JG (1995) An evaluation of the accuracy of ageing horses by their tooth dentition: Can a computer model be accurate? Vet Record 137:139-140.
52. Cameron EZ, Linklater WL (2000) Individual mares bias investment in sons and daughters in relation to their condition. Anim Behav 60:359-367.
53. Berger J (1986) Wild Horses of the Great Basin (Univ of Chicago, Chicago).
54. Altmann J (1974) Observational study of behavior: Sampling methods. Behaviour 49:227-267.
55. Sapolsky RM, Alberts SC, Altmann J (1997) Hypercortisolism associated with social subordinance or social isolation among wild baboons. Arch Gen Psychiatry 54:1137-1143.