Red-backed salamanders provide an ideal system with which to explore predator selectivity because territorial residents are known to forage within discrete territories surrounding cover objects, while nonterritorial floaters (Mathis, 1991) may forage over wider areas.
Number of ants obtained from litter of Plethodon cinereus territories and from the stomachs of territorial residents.
We chose 15 min for the interactions because Gabor and Jaeger (1995) found that territorial residents
Others argued that territorial residents would only be entitled to full autonomy on application to Congress for statehood, and, until that time, the Constitution (under the "common-property theory") protected slavery in the territorial phase.
In 1848 Douglas showed no clear and consistent pattern in his thinking on the territories, but during congressional fights over establishing a territorial government for Oregon, he came to believe that the Missouri Compromise was dead as an operative principle for the territories and that the best policy was to leave control over domestic institutions to territorial residents.
Each cell is assigned to the territorial resident
that applies the greatest aggressive pressure at the center of the cell.
Mean ranges for the six transients that occupied the study area as frequently as territorial residents
The feeding territory aspect is supported by studies showing that territories are maintained during the non-courtship summer (Mathis 1989), that territorial residents
increase aggressive defense with increasing tenure of ownership when only prey (not mates) are available (Nunes and Jaeger 1989), and that resident-intruder aggressive or submissive interactions vary based on both quantity (Nunes 1988) and quality of prey (soft vs.