Summary 1. Many plant species germinate from herbivore dung. However, there has been little assessment of how widespread this dispersal mechanism is. 2. A survey of the germinable seed in rabbit and sheep dung from 10 sites in the UK was used to identify the characteristics of species dispersed internally by animals. 3. A wide range of species germinated; the commonest species being ‘weeds’ of grazed communities. 4. Species that did germinate were characterized by small seed size and the capability of forming a persistent seedbank. 5. A substantial quantity and range of seeds are dispersed by herbivores in grazed ecosystems, and this could have a significant effect on the dynamics and species richness of these systems.
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Pakeman et al. (2002) studied this question.
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