Evidence for local specialization in a generalist mammalian herbivore, Neotoma fuscipes

Article Abstract:

The diet and food preferences of a generalist mammalian herbivore, Neotoma fuscipes was determined to understand local specialization in natural population. It was found that woodrats display preference for local plant and tend to avoid novel chemically defended plants and they also seem to restrict their diet to only a few of the available plant species indicative of underlying physiological adaptations.

Behavior, Environmental aspects, Food and nutrition, Wood rats, Plant-animal interactions

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Compensatory growth for free? A field experiment on brown trout, Salmo trutta

Article Abstract:

The hypotheses that food restriction during critical growth periods induces compensatory growth in the wild and that compensatory growth is associated with delayed costs is discussed. It is suggested that wild brown trout have an adapted buffer capacity to withstand fluctuations in food supply allowing restoration of lost lipid reserves when feeding conditions improve.

Physiological aspects, Animal development, Brown trout

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