FIGURE 1. Map of the study area. Letters designate feeding stations. Ratios beside letters indicate the outcome of encounters between male A and male B during winter 1968-1969 (male A dominant in all cases). Dot-dash line indicates 1968 breeding territory boundary of male A. Breeding season sighting locations are indicated by X's for male A, by solid ovals for male B. Dotted area represents non-wooded terrain; white areas (except for road and parking lot) are wooded.
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文章 : 英语