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Social bonds between unrelated females increase reproductive success in feral horses
- E. Cameron, T. Setsaas, W. Linklater
- Biology, PsychologyProceedings of the National Academy of Sciences
- 18 August 2009
It is demonstrated that social integration between unrelated females increases both foal birth rates and survival, independent of maternal habitat quality, social group type, dominance status, and age, while controlling for the confounding influence of kinship.
Adaptive explanation in socio‐ecology: lessons from the Equidae
- W. Linklater
- Environmental Science, BiologyBiological reviews of the Cambridge Philosophical…
- 1 February 2000
The Equidae are evidence of the relative importance of phylogeny and biological structure, and unimportance of the present‐day environment, in animal behaviour and social and spatial organization.
Stallion harassment and the mating system of horses
It is proposed that there is strong selection pressure for stable, long-term stallion-mare relationships, called consort relationships, because mares solicit more than one stallion and stallion dominance changes during band formation.
Aging and improving reproductive success in horses: declining residual reproductive value or just older and wiser?
- E. Cameron, W. Linklater, K. Stafford, E. Minot
- PsychologyBehavioral Ecology and Sociobiology
- 23 March 2000
Mare age significantly influenced maternal investment in feral horses living on the North Island of New Zealand and older mothers were more likely to foal in consecutive years, supporting the hypothesis that they are investing less than younger mares in individual offspring.
Eye-Tracking of Men’s Preferences for Waist-to-Hip Ratio and Breast Size of Women
Eye-tracking techniques are used to provide quantitative data on eye movements that occur during male judgments of the attractiveness of female images, and indicate that assessments of the female hourglass figure probably occur very rapidly.
Social and spatial structure and range use by Kaimanawa wild horses (Equus caballus: Equidae).
Proposals to manage the population by relocation and confinement are likely to modify current social structure and range use behaviour and may lead to the need for more intensive management in the longer term.
Individual mares bias investment in sons and daughters in relation to their condition
Investment by mares who reared both a son and a daughter in different years of the study met the assumptions of the TWH with a minimum of confounding variables, and the predictions of the Trivers-Willard hypothesis are supported.
Science and Management in a Conservation Crisis: a Case Study with Rhinoceros
- W. Linklater
- Environmental Science
- 1 August 2003
Abstract: I suggest that a conservation crisis is a predictable sequence of five stages: population decline, crisis management, stabilization, precarious recovery, and sustained recovery. Each stage…
Psycho‐Social Factors Influencing Forest Conservation Intentions on the Agricultural Frontier
Remnant forest fragments are critical to conserve biological diversity yet these are lost rapidly in areas under agricultural expansion. Conservation planning and policy require a deeper…
Declining and low fecal corticoids are associated with distress, not acclimation to stress, during the translocation of African rhinoceros
The capture and 11-week captivity of 18 black and 52 white rhinoceros were adopted as an experimental test of the relationship between corticoid concentrations and stress (translocation) and for suppressed gonad function as an indicator of distress – the biological cost of cumulative stressors.