Reproductive success in female mountain goats: the influence of age and social rank

Article Abstract:

Research describing the effects of age and social rank on the reproductive success of female mountain goats, Oreamnos americanus, is presented. It is shown that social rank has important effects on reproduction.

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Effect of chemical immobilization on social status of bighorn rams

Article Abstract:

The effects of chemical immobilization on intrasexual combat and social dominance among bighorn sheep rams, Ovis canadensis are reported. Most bighorn sheep once, at 4-6 months of age were captured for long-term study and a unique eartag (All Flex) combination were applied.

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Social dominance in adult female mountain goats

Article Abstract:

Dominant female goats are not more efficient than subordinate goats with regard to foraging and the amount of time devoted to alert behaviour. The study on adult female mountain goats, Oreamnos americanus, reveals that linearity in dominance hierarchy is only possible in case of defending of a contested resource. Horn length one year and body mass in the following year is the best morphological predictor of dominant rank while age is a weaker predictor. The ranks of individual goat differed between years and dominance rank one year is not a good predicator of rank in the coming year.

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